Union Organisations – District and Equivalents

Union Organisations – District and Equivalents

Districts and Sub-Districts were formed in most Departments. These had specific geographical responsibilities. Some existed for extended periods of time while others functioned only temporarily in response to a local operational necessity.

Alphabetical Index

District of Alabama 17 May 1865-27 June 1865

District of Northern Alabama 2 June 1864-27 June 1865

District of South Alabama 17 March 1865-17 May 1865

District of Albemarle, North Carolina 23 April 1863-14 August 1863

Sub-District of Albemarle, North Carolina 14 August 1863-19 April 1864

District of Alexandria, Virginia 2 February 1863-20 July 1865

District of Annapolis, Maryland 1 April 1865-19 July 1865

Sub-District of the Appomattox, Virginia 25 May 1865-11 August 1865

District of Arizona #1 30 August 1862-8 December 1864

District of Arizona #2 7 March 1865-21 July 1865

District of Eastern Arkansas 2 November 1862-5 June 1865

District of Northern Arkansas 30 November 1863-1 June 1864

District of the Upper Arkansas 2 August 1864-10 July 1865

District of Baton Rouge, Louisiana #1 8 October 1863-6 August 1864

District of Baton Rouge, Louisiana #2 13 February 1865-17 July 1865

Sub-District of Baton Rouge, Louisiana 6 August 1864-13 February 1865

District of Baton Rouge and Port Hudson, Louisiana 6 August 1864-13 February 1865

District of Beaufort, North Carolina #1 27 April 1863-14 August 1863

District of Beaufort, North Carolina #2 25 February 1865-6 July 1865

Sub-District of Beaufort, North Carolina #1 14 August 1863-31 October 1864

Sub-District of Beaufort, North Carolina #2 31 January 1865-25 February 1865

District of Beaufort, South Carolina 25 April 1864-13 May 1865

Sub-District of Beaufort, Virginia 18 January 1865-31 January 1865

Sub-District of Beaufort, Virginia and North Carolina 21 October 1864-18 January 1865

Sub-District of the Blackwater, Virginia 25 May 1865-19 September 1865

District of Bonnet Carré, Louisiana 27 March 1865-27 June 1865

District of the Border, Kansas and Missouri 9 June 1863-30 January 1865

District of the Brandywine, Pennsylvania 31 July 1864-7 August 1864

District of Cairo, Illinois #1 23 December 1861-11 March 1862

District of Cairo, Illinois #2 21 March 1862-19 August 1862

District of Cairo, Illinois #3 25 January 1864-1 May 1864

District of California 1 July 1864-27 June 1865

District of Southern California 14 September 1861-27 June 1865

District of Carrollton, Louisiana 1 May 1864-27 June 1865

District of Charleston, South Carolina 23 June 1865-27 June 1865

Cheat Mountain District, Virginia #1 24 July 1861-19 September 1861

Cheat Mountain District, Virginia #2 19 December 1861-26 June 1862

Cheat Mountain District, Virginia #3 24 September 1862-13 November 1862

Cheat River District, Virginia 25 July 1861-4 September 1861

District of the Clinch, Tennessee 21 November 1863-4 April 1864

District of Colorado 19 September 1862-2 November 1862

District of Colorado Territory #1 2 November 1862-1 January 1863

District of Colorado Territory #2 28 February 1864-28 March 1865

District of Columbus 30 October 1862-15 January 1863

Sub-District of Columbus, Tennessee 1 April 1862-30 June 1862

District of Corinth, Mississippi 1 July 1862-15 January 1863

District of Cumberland, Virginia 11 March 1862-7 April 1862

District of Currituck, North Carolina 11 December 1863-18 January 1865

District of Dakota 1 June 1863-4 December 1863

District of Delaware 3 July 1863-24 March 1865

District of Delaware and the Eastern Shore of Maryland 24 March 1865-1 August 1865

District of the Eastern Shore of Maryland 22 March 1862-24 March 1865

District of Etowah, Georgia 15 June 1864-20 June 1865

District of Florida 7 February 1864-27 June 1865

District of West Florida #1 1 February 1864-12 September 1864

District of West Florida #2 17 March 1865-27 June 1865

Sub-District of West Florida 12 September 1864-17 March 1865

District of West Florida and South Alabama 12 September 1864– 17 March 1865

District of Fort Monroe, Virginia 21 May 1865-31 December 1865

District of the Frontier, Arkansas 9 June 1863–23 February 1864

District of the Frontier (Kansas) 6 January 1864-23 February 1864

District of the Frontier 23 February 1864-1 February 1865

District of the Gap, Virginia 11 March 1862-26 June 1862

District of Northern Georgia 5 June 1865-27 June 1865

District of Southern Georgia 5 June 1865-27 June 1865

District of Grafton, Virginia 3 August 1861-20 December 1861

District of Greensboro, North Carolina 6 July 1865-31 December 1865

District of Harper’s Ferry, West Virginia 24 May 1864-25 February 1865

District of Harper’s Ferry and Cumberland, Virginia 20 October 1861-12 March 1862

District of Henrico, Virginia 25 May 1865-27 June 1865

District of Hilton Head, South Carolina 15 January 1864-13 May 1865

District of the Humboldt, California 12 December 1861-27 June 1865

District of Illinois #1 7 April 1863-16 November 1863

District of Illinois #2 13 August 1864-27 June 1865

District of Indiana #1 23 March 1863-5 June 1863

District of Indiana #2 11 September 1863-16 November 1863

District of Indiana #3 12 January 1864-27 June 1865

District of Indiana and Michigan 5 June 1863-11 September 1863

District of Iowa 8 June 1863-12 November 1864

District of Ironton, Missouri 5 July 1861-1 September 1861

District of Jackson, Tennessee 16 October 1862-28 May 1863

Sub-District of Jackson, Tennessee 21 June 1862-16 October 1862

Juniata District, Pennsylvania 6 September 1864-27 June 1865

District of the Kanawha, Virginia 11 October 1861-26 June 1862

Sub-District of the Kanawha, Virginia 19 September 1862-16 March 1863

District of Kansas 19 March 1862-2 May 1862

District of North Kansas 28 February 1864-27 May 1865

District of South Kansas 28 February 1864-3 June 1865

District of Kentucky 22 May 1863-10 February 1865

District of Central Kentucky 17 November 1862-4 July 1863

Sub-District of North Central Kentucky 6 November 1863-1 December 1863

Sub-District of South Central Kentucky 6 November 1863-1 December 1863

District of Eastern Kentucky 17 November 1862-6 November 1863

Sub-District of Eastern Kentucky 6 November 1863-1 December 1863

District of Western Kentucky #1 8 September 1861-31 January 1862

District of Western Kentucky #2 17 November 1862-11 September 1864

District of Western Kentucky #3 10 February 1865-21 May 1865

District of Key West and Tortugas 16 March 1863-17 May 1865

District of La Fourche, Louisiana 9 November 1862-27 June 1865

Lehigh District Pennsylvania 20 August 1863-1 December 1864

District of Little Rock, Arkansas 11 May 1864-4 February 1865

District of East Louisiana 29 May 1865-27 June 1865

Eastern District of Louisiana 27 June 1865-26 July 1865

District of Northeast Louisiana 11 May 1863-7 February 1864

Northern District of Louisiana 9 February 1865-17 May 1865

Southern District of Louisiana 11 February 1865-27 June 1865

Western District of Louisiana 27 June 1865-20 July 1865

District of Louisville, Kentucky 24 August 1862-17 November 1862

District of Lynchburg, Virginia 25 March 1865-13 July 1865

District of Memphis, Tennessee 26 October 1862-15 January 1863

Sub-District of Memphis 15 January 1863-28 November 1864

District of Michigan 1 October 1864-27 June 1865

District of Minnesota 23 November 1862-31 December 1865

District of Mississippi 17 May 1865-27 June 1865

Northern District of Mississippi 27 June 1865-31 December 1865

Southern District of Mississippi 27 June 1865-31 December 1865

Western District of Mississippi 27 June 1865-31 December 1865

District of the Mississippi 27 February 1862-16 June 1862

District of Missouri #1 June 1862-26 September 1862

District of Missouri #210 July 1865-22 August 1865

District of Central Missouri #1 3 December 1861-1 June 1862

District of Central Missouri #2 26 September 1862-10 July 1865

District of North Missouri #1 29 July 1861-9 November 1861

District of North Missouri #2 26 November 1861-11 March 1862

District of North Missouri #3 6 July 1863-1 July 1865

District of Northeast Missouri #1 12 March 1862-4 June 1862

District of Northeast Missouri #2 27 September 1862-7 February 1864

District of Northwest Missouri 12 March 1862-6 July 1863

District of Southeast Missouri #1 1 September 1861-11 May 1862

District of Southeast Missouri #2 16 June 1863-30 November 1863

District of Southwest Missouri 25 December 1861-10 July 1865

Sub-District of Mobile, Alabama 3 June 1865-27 June 1865

District of the Monongahela, Pennsylvania 27 June 1864-27 June 1865

District of Morganza, Louisiana 22 May 1864-27 June 1865

District of Nashville, Tennessee 10 November 1863-30 May 1864

District of Natchez, Mississippi 3 January 1865-3 June 1865

District of Nebraska Territory 2 November 1862-28 March 1865

District of the Neuse, North Carolina 23 April 1863-27 April 1863

Defences of New Bern, North Carolina 21 July 1863-5 March 1864

District of New Bern, North Carolina 6 July 1865-31 December 1865

Sub-District of New Bern, North Carolina 5 March 1864-21 October 1864

Sub-District of New Bern, Virginia 18 January 1865-31 January 1865

Sub-District of New Bern, Virginia and North Carolina 21 October 1864-18 January 1865

Central and Northern District of New Mexico 16 April 1862-16 June 1862

Southern District of New Mexico 8 August 1861-16 April 1862

Defences of New Orleans, Louisiana 16 December 1862-9 February 1865

District of Northern New York 14 September 1864-27 June 1865

District of Western New York 14 September 1865-31 December 1865

District of North Carolina #1 14 August 1863-21 October 1864

District of North Carolina #2 31 January 1865-1 March 1865

District of West North Carolina 6 July 1865-1 October 1865

District of the Northern Neck, Virginia 26 April 1865-18 May 1865

First District of the Northwest 17 November 1862-1 June 1863

Second District of the Northwest 17 November 1862-23 November 1862

Third District of the Northwest 17 November 1862-27 November 1862

Fourth District of the Northwest 17 November 1862-27 November 1862

District of the Nottoway, Virginia 22 May 1865-1 August 1865

District of Ohio 6 April 1863-16 November 1863

District of the Ohio 19 March 1862-24 October 1862

District of Oregon 15 January 1861-27 June 1865

District of the Pamlico, North Carolina 23 April 1863-14 August 1863

Sub-District of the Pamlico, North Carolina 14 August 1863-1 May 1864

District of Patuxent, Virginia 26 April 1865-18 May 1865

District of the Peninsula, Virginia 13 April 1865-27 April 1865

Sub-District of the Peninsula, Virginia 19 April 1865-29 August 1865

District of Pensacola, Florida 8 August 1862-1 February 1864

District of Philadelphia, Pennsylvania 1 December 1864-15 June 1865

District of the Plains 28 March 1865-25 May 1865

District of Port Hudson, Louisiana #1 9 July 1863-6 August 1864

District of Port Hudson, Louisiana #2 13 February 1865-24 June 1865

Sub-District of Port Hudson, Louisiana 6 August 1864-13 February 1865

District of Port Royal, South Carolina 13 May 1865-27 June 1865

The Railroad District, Virginia 20 December 1861-26 June 1862

Sub-District of the Rappahannock, Virginia 25 May 1865-16 July 1865

District of Raleigh, North Carolina 6 July 1865-31 December 1865

Sub-District of Roanoke, Virginia 25 May 1865-16 July 1865

District of Rolla, Missouri 2 November 1862-10 July 1865

District of St Louis Missouri #1 21 November 1861-4 June 1862

District of St Louis Missouri #2 19 September 1862-10 July 1865

District of St Mary’s, Maryland 23 July 1863-26 April 1865

District of Savannah, Georgia 18 January 1865-27 June 1865

Sub-District of Somerset, Kentucky 6 November 1863-1 December 1863

Northern District of the South #1 31 March 1862-21 June 1862

Northern District of the South #2 13 January 1864-27 June 1865

Southern District of the South 31 March 1862-21 June 1862

Western District of the South 15 March 1862-21 June 1862

Sub-District of the South Anna, Virginia 25 May 1865-31 December 1865

District of Eastern South Carolina 23 June 1865-27 June 1865

District of Western South Carolina 23 June 1865-27 June 1865

District of Tennessee 30 May 1864-28 February 1865

District of East Tennessee 10 April 1864-17 March 1865

District of Middle Tennessee #1 16 December 1863-14 February 1864

District of Middle Tennessee #2 28 February 1865-27 June 1865

District of West Tennessee #1 14 February 1862-16 October 1862

District of West Tennessee #2 15 January 1863-25 May 1865

Central District of Texas 27 June 1865-20 July 1865

Eastern District of Texas 27 June 1865-20 July 1865

Western District of Texas 27 June 1865-20 July 1865

District of Utah 6 August 1862-28 March 1865

District of the Valley of the Big Sandy River, Virginia 11 March 1862-8 June 1862

District of Vicksburg, Mississippi 20 April 1864-22 June 1865

District of Virginia #1 21 August 1863-23 September 1863

District of Virginia #2 31 January 1865-31 December 1865

District of Eastern Virginia 27 May 1864-24 August 1865

District of Northeastern Virginia 10 July 1865-31 December 1865

District of Southwestern Virginia 13 July 1865-31 December 1865

District of Western Virginia 28 September 1862-16 March 1863

District of Washington, District of Columbia 12 March 1862-2 August 1865

District of Wilmington, North Carolina 1 March 1865-20 September 1865

District of Wisconsin 6 September 1862-27 June 1865

District of Yorktown, Virginia #1 18 July 1863-21 August 1863

District of Yorktown, Virginia #2 23 September 1863-17 May 1864

Sub-District of Yorktown, Virginia 21 August 1863-23 September 1863

District of Alabama

17 May 1865-27 June 1865

Andrew Jackson Smith 17 March 1865-17 May 1865

17 May 1865: The District of Alabama was established in the Department of the Gulf, and comprised the state of Alabama.

17 May 1865: Major-General Andrew Jackson Smith assumed command of the District of Alabama.

3 June 1865: The Sub-District of Mobile was established in the District of Alabama. It comprised the territory round Mobile, Alabama.

27 June 1865: The Sub-District of Mobile was discontinued, and incorporated into the Department of Alabama.

27 June 1865: The District of Alabama was discontinued, and incorporated into the Department of Alabama.

District of Northern Alabama

2 June 1864-27 June 1865

Robert Seamen Granger 2 June 1864-27 June 1865

2 June 1864: The District of Northern Alabama was established in the Department of the Cumberland, comprising the vicinity of Decatur, Huntsville and Stevenson, Alabama, and Pulaski in Tennessee.

2 June 1864: Brigadier-General Robert Seamen Granger assumed command of the District of Northern Alabama.

27 June 1865: The District of Northern Alabama transferred to the Department of Alabama.

27 June 1865: Brigadier-General Robert Seaman Granger retained command of the District of Northern Alabama.

24 August 1865: Command of the District of Northern Alabama became vacant.

10 September 1865: The District of Northern Alabama was discontinued.

District of South Alabama

17 March 1865-17 May 1865

Thomas Kilby Smith 17 May 1865-27 June 1865

17 March 1865: The District of South Alabama was established in the Department of the Gulf from part of the District of West Florida and South Alabama.

17 March 1865: Brigadier-General Thomas Kilby Smith assumed command of the District of South Alabama.

17 May 1865: The District of South Alabama was discontinued, and its territory incorporated into the District of Alabama.

District of Albemarle, North Carolina

23 April 1863-14 August 1863

Henry Walton Wessels 23 April 1863-14 August 1863

23 April 1863: The District of Albemarle was established in the Department of North Carolina, comprising the territories around Plymouth and Roanoke, North Carolina.

23 April 1863: Brigadier-General Henry Walton Wessells assumed command of the District of Albemarle.

15 July 1863: The District of Albemarle transferred from the Department of North Carolina to the Department of Virginia and North Carolina.

15 July 1863: Brigadier-General Henry Walton Wessells retained command of the District of Albemarle.

14 August 1863: The District of Albemarle was renamed as the Sub-District of Albemarle in the District of North Carolina.

Sub-District of Albemarle, North Carolina

14 August 1863-19 April 1864

Henry Walton Wessels 14 August 1863-19 April 1864

14 August 1863: The Sub-District of Albemarle was established in the District of North Carolina. It comprised the renamed District of Albemarle transferred from the Department of North Carolina.

14 August 1863: Brigadier-General Henry Walton Wessells retained command of the Sub-District of Albemarle.

19 April 1864: The Sub-District of Albemarle in the District of North Carolina was discontinued.

District of Alexandria, Virginia

2 February 1863-20 July 1865

John Potts Slough 2 February 1863-21 November 1864

Henry Horatio Wells temporary 21 November 1864-1 January 1865

John Potts Slough 1 January 1865-26 April 1865

John Grubb Parke 26 April 1865-7 June 1865

John Potts Slough 7 June 1865-20 July 1865

2 February 1863: The District of Alexandria was established in the Department of Washington, comprising the vicinity of Alexandria, Virginia.

2 February 1863: Brigadier-General John Potts Slough assumed command of the District of Alexandria.

21 November 1864: Colonel Henry Horatio Wells assumed temporary command of the District of Alexandria, succeeding Brigadier-General John Potts Slough.

1 January 1865: Brigadier-General John Potts Slough assumed command of the District of Alexandria, succeeding Colonel Henry Horatio Wells.

26 April 1865: Major-General John Grubb Parke assumed command of the District of Alexandria, succeeding Brigadier-General John Potts Slough.

7 June 1865: Brigadier-General John Potts Slough assumed command of the District of Alexandria, succeeding Major-General John Grubb Parke.

20 July 1865: The District of Alexandria was discontinued.

District of Annapolis, Maryland

1 April 1865-19 July 1865

Frederic Dummer Sewall 1 April 1865-19 July 1865

1 April 1865: The District of Annapolis was established in the Middle Department. It comprised the territory around Annapolis, Maryland, and Camp Parole.

1 April 1865: Colonel Frederic Dummer Sewall assumed command of the District of Annapolis.

19 July 1865: The District of Annapolis was discontinued.

Sub-District of the Appomattox, Virginia

25 May 1865-11 August 1865

Charles Henry Smith 25 May 1865-11 August 1865

25 May 1865: The Sub-District of the Appomattox was established and subordinated to the District of Nottoway in the Department of Virginia. It comprised the counties of Chesterfield, Amelia, Powhatan, Cumberland, and Buckingham in Virginia.

25 May 1865: Colonel Charles Henry Smith assumed command of the Sub-District of the Appomattox.

1 August 1865: The Sub-District of the Appomattox transferred from the District of the Nottoway to the Department of Virginia.

1 August 1865: Colonel Charles Henry Smith retained command of the Sub-District of the Appomattox.

11 August 1865: The Sub-District of the Appomattox was discontinued.

District of Arizona #1

30 August 1862-8 December 1864

James Henry Carleton 30 August 1862-4 September 1862

Joseph Rodman West 5 September 1862-28 January 1864

George Washington Bowie 29 January 1864-29 November 1864

Joseph Rodman West 30 November 1864-8 December 1864

30 August 1862: The District of Arizona was established in the Department of New Mexico, comprising the Arizona Territory.

30 August 1862: Brigadier-General James Henry Carleton assumed command of the District of Arizona.

5 September 1862: Colonel Joseph Rodman West assumed command of the District of Arizona, succeeding Brigadier-General James Henry Carleton.

29 January 1864: Colonel George Washington Bowie assumed command of the District of Arizona, succeeding Brigadier-General Joseph Rodman West.

30 November 1864: Brigadier-General Joseph Rodman West assumed command of the District of Arizona, succeeding Colonel George Washington Bowie.

8 December 1864: The District of Arizona was discontinued.

District of Arizona #2

7 March 1865-21 July 1865

John Sanford Mason 7 March 1865-21 July 1865

7 March 1865: The District of Arizona was re-established in the Department of the Pacific, to comprise the Arizona Territory.

7 March 1865: Brigadier-General John Sanford Mason assumed command of the District of Arizona.

27 June 1865: The District of Arizona transferred from the Department of the Pacific to the Department of California.

27 June 1865: Brigadier-General John Sanford Mason retained command of the District of Arizona.

21 July 1865: The District of Arizona was discontinued.

District of Eastern Arkansas

2 November 1862-5 June 1865

Alvin Peterson Hovey 2 November 1862-2 December 1862

Willis Arnold Gorman 3 December 1862-14 February 1863

Benjamin Mayberry Prentiss 14 February 1863-3 August 1863

Frederick Sigel Salomon 3 August 1863-19 September 1863

Napoleon Bonaparte Buford 19 September 1863-5 August 1864

William Crooks temporary 6 August 1864-27 September 1864

Napoleon Bonaparte Buford 28 September 1864-6 October 1864

William Crooks temporary 7 October 1864-18 October 1864

Napoleon Bonaparte Buford 19 October 1864-8 March 1865

Alexander McDowell McCook 9 March 1865-26 April 1865

Charles Bentzoni temporary 27 April 1865-12 May 1865

John Milton Thayer 13 May 1865-5 June 1865

2 November 1862: The District of Eastern Arkansas was established in the Department of the Missouri, comprising the territory around Helena, Arkansas.

2 November 1862: Brigadier-General Alvin Peterson Hovey assumed command of the District of Eastern Arkansas.

3 December 1862: Brigadier-General Willis Arnold Gorman assumed command of the District of Eastern Arkansas, succeeding Brigadier-General Alvin Peterson Hovey.

14 February 1863: The District of Eastern Arkansas transferred from the Department of the Missouri to the Department of the Tennessee.

14 February 1863: Major-General Benjamin Mayberry Prentiss assumed command of the District of Eastern Arkansas, succeeding Brigadier-General Willis Arnold Gorman.

3 August 1863: Brigadier-General Frederick Sigel Salomon assumed command of the District of Eastern Arkansas, succeeding Major-General Benjamin Mayberry Prentiss.

19 September 1863: Brigadier-General Napoleon Bonaparte Buford assumed command of the District of Eastern Arkansas, succeeding Brigadier-General Frederick Sigel Salomon.

6 January 1864: The District of Eastern Arkansas transferred from the Department of the Tennessee to the Department of Arkansas.

6 January 1864: Brigadier-General Napoleon Bonaparte Buford retained command of the District of Eastern Arkansas.

6 August 1864: Colonel William Crooks assumed temporary command of the District of Eastern Arkansas, succeeding Brigadier-General Napoleon Bonaparte Buford.

28 September 1864: Brigadier-General Napoleon Bonaparte Buford assumed command of the District of Eastern Arkansas, succeeding Colonel William Crooks.

7 October 1864: Colonel William Crooks assumed temporary command of the District of Eastern Arkansas, succeeding Brigadier-General Napoleon Bonaparte Buford.

19 October 1864: Brigadier-General Napoleon Bonaparte Buford assumed command of the District of Eastern Arkansas, succeeding Colonel William Crooks.

9 March 1865: Major-General Alexander McDowell McCook assumed command of the District of Eastern Arkansas, succeeding Brigadier-General Napoleon Bonaparte Buford.

27 April 1865: Colonel Charles Bentzoni assumed temporary command of the District of Eastern Arkansas, succeeding Major-General Andrew McDowell McCook.

13 May 1865: Brigadier-General John Milton Thayer assumed command of the District of Eastern Arkansas, succeeding Colonel Charles Bentzoni.

17 May 1865: Brigadier-General John Milton Thayer assumed command of the District of Eastern Arkansas.

5 June 1865: The District of Eastern Arkansas was discontinued.

District of Northern Arkansas (or Northeastern Arkansas)

30 November 1863-1 June 1864

Robert Ramsey Livingston 30 November 1863-1 June 1864

30 November 1863: The District of Northern Arkansas also known as the District of Northeastern Arkansas was established in the Department of the Missouri. It comprised the territory around Batesville, Arkansas.

30 November 1863: Colonel Robert Ramsey Livingston assumed command of the District of Northern Arkansas.

6 January 1864: The District of Northern Arkansas transferred from the Department of the Missouri to the Department of Arkansas. It comprised the territory around Batesville and Devall’s Bluff, Arkansas.

6 January 1864: Colonel Robert Ramsey Livingston retained command of the District of Northern Arkansas.

1 June 1864: The District of Northern Arkansas was discontinued.

District of the Upper Arkansas

2 August 1864-10 July 1865

James Gilpatrick Blunt 2 August 1864-13 October 1864

Benjamin S Henning temporary 14 October 1864-21 December 1864

James Hobart Ford 22 December 1864-10 July 1865

2 August 1864: The District of the Upper Arkansas was established in the Department of Kansas. It comprised the territory westward from Fort Riley, Kansas, to Fort Lyon, Colorado Territory.

2 August 1864: Major-General James Gilpatrick Blunt assumed command of the District of the Upper Arkansas.

14 October 1864: Major Benjamin S Henning assumed temporary command of the District of the Upper Arkansas, succeeding Major-General James Gilpatrick Blunt.

22 December 1864: Colonel James Hobart Ford assumed command of the District of the Upper Arkansas, succeeding Major Benjamin S Henning.

30 January 1865: The District of the Upper Arkansas transferred from the Department of Kansas to the Department of the Missouri. It was bounded by north-south lines through Fort Riley and Fort Lyon, on the south by the Indian Territory and on the north by the 92 parallel.

30 January 1865: Colonel James Hobart Ford retained command of the District of the Upper Arkansas.

22 April 1865: Fort Lyon, Colorado Territory, transferred from the District of the Plains transferred to the District of the Upper Arkansas.

10 July 1865: The District of the Upper Arkansas was discontinued.

District of Baton Rouge, Louisiana #1

8 October 1863-6 August 1864

Philip St George Cooke 8 October 1863-1 May 1864

Henry Warner Birge 2 May 1864-14 May 1864

William Plummer Benton 15 May 1864-30 May 1864

Fitz-Henry Warren 31 May 1864-12 June 1864

William Plummer Benton 13 June 1864-6 August 1864

8 October 1863: The District of Baton Rouge was established in the Department of the Gulf, comprising the territory around Baton Rouge, Louisiana.

8 October 1863: Brigadier-General Philip St George Cooke was appointed to command the District of Baton Rouge.

2 May 1864: Brigadier-General Henry Warner Birge assumed command of the District of Baton Rouge, succeeding Brigadier-General Philip St George Cooke.

15 May 1864: Brigadier-General William Plummer Benton assumed command of the District of Baton Rouge, succeeding Brigadier-General Henry Warner Birge.

31 May 1864: Brigadier-General Fitz-Henry Warren assumed command of the District of Baton Rouge, succeeding Brigadier-General William Plummer Benton.

13 June 1864: Brigadier-General William Plummer Benton assumed command of the District of Baton Rouge, succeeding Brigadier-General Fitz-Henry Warren.

6 August 1864: The District of Baton Rouge was discontinued, and re-designated as the Sub-District of Baton Rouge in the District of Baton Rouge and Port Hudson, in the Department of the Gulf.

District of Baton Rouge, Louisiana #2

13 February 1865-17 July 1865

Joseph Bailey 13 February 1865-10 March 1865

Edmund Jackson Davis 11 March 1865-17 March 1865

John Giles Fonda 18 March 1865-22 March 1865

Michael Kelly Lawler 23 March 1865-29 May 1865

John Giles Fonda 30 May 1865-17 July 1865

13 February 1865: The District of Baton Rouge was established in the Department of the Gulf from the renamed Sub-District of Baton Rouge.

13 February 1865: Brigadier-General Joseph Bailey retained command of the District of Baton Rouge.

11 March 1865: Brigadier-General Edmund Jackson Davis assumed command of the District of Baton Rouge, succeeding Brigadier-General Joseph Bailey.

18 March 1865: Colonel John Giles Fonda assumed command of the District of Baton Rouge, succeeding Brigadier-General Edmund Jackson Davis.

23 March 1865: Brigadier-General Michael Kelly Lawler assumed command of the District of Baton Rouge, succeeding Colonel John Giles Fonda.

17 May 1865: The District of Baton Rouge was subordinated to the Northern District of Louisiana.

17 May 1865: Brigadier-General Michael Kelly Lawler retained command of the District of Baton Rouge.

30 May 1865: Colonel John Giles Fonda assumed command of the District of Baton Rouge, succeeding Brigadier-General Michael Kelly Lawler.

27 June 1865: Colonel John Giles Fonda retained command of the District of Baton Rouge.

17 July 1865: The District of Baton Rouge was discontinued.

Sub-District of Baton Rouge, Louisiana

6 August 1864-13 February 1865

William Plummer Benton 6 August 1864-2 October 1864

William Jennings Landram 3 October 1864-2 December 1864

Joseph Bailey 3 December 1864-13 February 1865

6 August 1864: The Sub-District of Baton of Baton Rouge was established in the District of Baton Rouge and Port Hudson.

6 August 1864: Brigadier-General William Plummer Benton retained command of the Sub-District of Baton Rouge.

3 October 1864: Colonel William Jennings Landram assumed command of the Sub-District of Baton Rouge, succeeding Brigadier-General William Plummer Benton.

3 December 1864: Brigadier-General Joseph Bailey assumed command of the Sub-District of Baton Rouge, succeeding Colonel William Jennings Landram.

13 February 1865: The Sub-District of Baton Rouge was discontinued, and its territory transferred to the District of Baton Rouge.

District of Baton Rouge and Port Hudson, Louisiana

6 August 1864-13 February 1865

Francis Jay Herron 6 August 1864-29 October 1864

William Plummer Benton 30 October 1864-25 December 1864

George Leonard Andrews 26 December 1864-13 February 1865

6 August 1864: The District of Baton Rouge and Port Hudson was established in the Department of the Gulf to comprise the territories of Baton Rouge, Plaquemine, Gaines Landing, Pass Manchac, De Sair, and Port Hudson, Louisiana.

6 August 1864: Major-General Francis Jay Herron assumed command of the District of Baton Rouge and Port Hudson.

6 August 1864: The Sub-District of Baton of Baton Rouge was established in the District of Baton Rouge and Port Hudson.

6 August 1864: The Sub-District of Port Hudson was established in the District of Baton Rouge and Port Hudson.

30 October 1864: Brigadier-General William Plummer Benton assumed command of the District of Baton Rouge and Port Hudson, succeeding Major-General Francis Jay Herron.

26 December 1864: Brigadier-General George Leonard Andrews assumed command of the District of Baton Rouge and Port Hudson, succeeding Brigadier-General William Plummer Benton.

13 February 1865: The Sub-District of Baton Rouge was discontinued, and its territory transferred to the District of Baton Rouge and Port Hudson.

13 February 1865: The Sub-District of Port Hudson was discontinued, and its territory transferred to the District of Baton Rouge and Port Hudson.

13 February 1865: The District of Baton Rouge and Port Hudson was discontinued, and divided into the District of Baton Rouge and the District of Port Hudson.

District of Beaufort, North Carolina #1

27 April 1863-14 August 1863

Henry Morris Naglee 27 April 1863-28 May 1863

Francis Barretto Spinola 29 May 1863

Charles Adam Heckman 30 May 1863-20 July 1863,

Thomas Jonathan Coffin Amory 21 July 1863-14 August 1863

27 April 1863:The District of Beaufort North Carolina was established in the Department of North Carolina by renaming the District of the Neuse. It included the region south of a line from Evan’s Mill due east to the Neuse River, except for Portsmouth, North Carolina.

27 April 1863:Brigadier-General Henry Morris Naglee assumed command of the District of Beaufort North Carolina.

29 May 1863:Brigadier-General Francis Barretto Spinola assumed command of the District of Beaufort North Carolina, succeeding Brigadier-General Henry Morris Naglee.

30 May 1863: Brigadier-General Charles Adam Heckman assumed command of the District of Beaufort North Carolina, succeeding Brigadier-General Francis Barretto Spinola.

15 July 1863: The District of Beaufort North Carolina transferred from the Department of North Carolina to the Department of Virginia and North Carolina.

15 July 1863: Brigadier-General Charles Adam Heckman retained command of the District of Beaufort Virginia and North Carolina.

21 July 1863: Colonel Thomas Jonathan Coffin Amory assumed command of the District of Beaufort North Carolina and Virginia, succeeding Brigadier-General Charles Adam Heckman.

14 August 1863: The District of Beaufort North Carolina was renamed as the Sub-District of Beaufort North Carolina in the District of North Carolina.

District of Beaufort, North Carolina #2

25 February 1865-6 July 1865

Jacob Dolson Cox 25 February 1865-18 March 1865

Innis Newton Palmer 18 March 1865-1 June 1865

Charles Jackson Paine 1 June 1865-6 July 1865

25 February 1865: The District of Beaufort was re-established in the Department of North Carolina, comprising the former Sub-District of Beaufort North Carolina. It included all posts north of Port Macon, North Carolina.

25 February 1865: Major-General Jacob Dolson Cox assumed command of the District of Beaufort North Carolina.

18 March 1865: Brigadier-General Innis Newton Palmer assumed command of the District of Beaufort North Carolina, succeeding Major-General Jacob Dolson Cox.

1 June 1865: Brigadier-General Charles Jackson Paine assumed command of the District of Beaufort North Carolina, succeeding Brigadier-General Innis Newton Palmer.

6 July 1865: The District of Beaufort North Carolina was discontinued.

Sub-District of Beaufort, North Carolina #1

14 August 1863-31 October 1864

Charles Adam Heckman 14 August 1863-10 October 1863

James Jourdan 11 October 1863-26 June 1864

Thomas Jonathan Coffin Amory 27 June 1864-6 October 1864

James Stewart 7 October 1864-31 October 1864

14 August 1863: The Sub-District of Beaufort North Carolina was established in the District of North Carolina. It comprised the renamed Sub-District of Beaufort North Carolina transferred from the Department of North Carolina.

14 August 1863: Brigadier-General Charles Adam Heckman assumed command of the Sub-District of Beaufort North Carolina, succeeding Colonel Jonathan Coffin Amory.

11 October 1863: Colonel James Jourdan assumed command of the Sub-District of Beaufort North Carolina, succeeding Brigadier-General Charles Adam Heckman.

27 June 1864: Colonel Thomas Jonathan Coffin Amory assumed command of the Sub-District of Beaufort North Carolina, succeeding Colonel James Jourdan.

7 October 1864: Colonel James Stewart assumed command of the Sub-District of Beaufort North Carolina, succeeding Colonel Thomas Jonathan Coffin Amory.

21 October 1864: The Sub-District of Beaufort North Carolina transferred from the District of North Carolina to the Department of Virginia and North Carolina.

Sub-District of Beaufort, North Carolina #2

31 January 1865-25 February 1865

Charles Adam Heckman 14 August 1863-10 October 1863

James Jourdan 11 October 1863-26 June 1864

Thomas Jonathan Coffin Amory 27 June 1864-6 October 1864

James Stewart 7 October 1864-25 February 1865

31 January 1865: The Sub-District of Beaufort North Carolina transferred from the Department of Virginia to the District of North Carolina.

31 January 1865: Colonel James Stewart retained command of the Sub-District of Beaufort North Carolina.

25 February 1865: The Sub-District of Beaufort North Carolina was discontinued, and renamed as the District of Beaufort NC.

District of Beaufort, South Carolina

25 April 1864-13 May 1865

Rufus Saxton 25 April 1864-22 January 1865

Edward Elmer Potter 23 January 1865-13 May 1865

25 April 1864: The District of Beaufort South Carolina was established in the Department of the South, comprising the vicinity of Beaufort, South Carolina.

25 April 1864: Brigadier-General Rufus Saxton assumed command of the District of Beaufort South Carolina.

23 January 1865: Brigadier-General Edward Elmer Potter assumed command of the District of Beaufort South Carolina, succeeding Brigadier-General Rufus Saxton.

13 May 1865: The District of Beaufort South Carolina was discontinued, and its territory transferred to the District of Port Royal.

Sub-District of Beaufort, Virginia

18 January 1865-31 January 1865

James Stewart 18 January 1865-31 January 1865

18 January 1865: The Sub-District of Beaufort North Carolina transferred from the Department of Virginia and North Carolina to the Department of Virginia.

31 January 1865: Colonel James Stewart retained command of the Sub-District of Beaufort Virginia.

31 January 1865: The Sub-District of Beaufort North Carolina transferred from the Department of Virginia to the District of North Carolina.

Sub-District of Beaufort, Virginia and North Carolina

21 October 1864-18 January 1865

James Stewart 21 October 1864-18 January 1865

21 October 1864: The Sub-District of Beaufort North Carolina transferred from the District of North Carolina to the Department of Virginia and North Carolina.

21 October 1864: Colonel James Stewart retained command of the Sub-District of Beaufort Virginia and North Carolina.

18 January 1865: The Sub-District of Beaufort North Carolina transferred from the Department of Virginia and North Carolina to the Department of Virginia.

Sub-District of the Blackwater, Virginia

25 May 1865-19 September 1865

Gilbert Hunt McKibbin 25 May 1865-19 September 1865

25 May 1865: The Sub-District of the Blackwater was established and subordinated to the District of the Nottoway in the Department of Virginia. It comprised the counties of Sussex, Surrey, Greenville, Brunswick, Dinwiddie, and Price George in Virginia.

25 May 1865: Captain Gilbert Hunt McKibbin assumed command of the Sub-District of The Blackwater.

1 August 1865: The Sub-District of The Blackwater transferred from the District of the Nottoway to the Department of Virginia.

1 August 1865: Captain Gilbert Hunt McKibbin retained command of the Sub-District of The Blackwater.

19 September 1865: The Sub-District of The Blackwater was discontinued.

District of Bonnet Carré, Louisiana

27 March 1865-27 June 1865

Charles Everett 27 March 1865-31 March 1865

James J Byrne 1 April 1865-27 June 1865

27 March 1865: The District of Bonnet Carré was established in the Department of the Gulf. It comprised the territory between Bayou Manchac and Kennerville, Louisiana, west of New Orleans.

27 March 1865: Colonel Charles Everett assumed command of the District of Bonnet Carré.

1 April 1865: Colonel James J Byrne assumed command of the District of Bonnet Carré, succeeding Colonel Charles Everett.

27 June 1865: The District of Bonnet Carré was discontinued.

District of the Border, Kansas and Missouri

9 June 1863-30 January 1865

Thomas Ewing 9 June 1863-5 January 1864

William Russell Jones 6 January 1864-30 January 1865

9 June 1863: The District of the Border was established in the Department of the Missouri, comprising the state of Kansas north of the 38 parallel and the two western tiers of counties in Missouri north of the 38 parallel and south of the Missouri River.

9 June 1863: Brigadier-General Thomas Ewing assumed command of the District of the Border.

1 January 1864: The District of the Border transferred from the Department of the Missouri to the Department of Kansas.

1 January 1864: Brigadier-General Thomas Ewing retained command of the District of the Border.

6 January 1864: Colonel William Russell Judson assumed command of the District of the Border, succeeding Brigadier-General Thomas Ewing.

30 January 1865: The District of the Border was discontinued.

District of the Brandywine, Pennsylvania

31 July 1864-7 August 1864

George Cadwalader 31 July 1864-18 August 1864

31 July 1864: The District of Brandywine was established in the Department of the Susquehanna, comprising the territory between the Blue Ridge Mountains and the Susquehanna River and Dauphine, Lancaster, Chester, Delaware, Bucks, Philadelphia and Montgomery counties, Pennsylvania.

31 July 1864: Major-General George Cadwalader assumed command of the District of Brandywine.

18 August 1864: The District of Brandywine was discontinued.

District of Cairo, Illinois #1

23 December 1861-11 March 1862

Ulysses Simpson Grant 23 December 1861-14 February 1862

William Tecumseh Sherman 14 February 1862-11 March 1862

23 December 1861: The District of Cairo was established in the Department of the Missouri, comprising the vicinity of Cairo, Illinois.

23 December 1861: Brigadier-General Ulysses Simpson Grant assumed command of the District of Cairo.

14 February 1862: Brigadier-General William Tecumseh Sherman assumed command of the District of Cairo, succeeding Brigadier-General Ulysses Simpson Grant.

11 March 1862: The District of Cairo was discontinued.

District of Cairo, Illinois #2

21 March 1862-19 August 1862

William Kerley Strong 21 March 1862-12 April 1862

James Madison Tuttle 12 April 1862-19 August 1862

21 March 1862: The District of Cairo was established in the Department of the Mississippi, comprising the vicinity of Cairo, Illinois.

21 March 1862: Brigadier-General William Kerley Strong assumed command of the District of Cairo.

1 April 1862: The Sub-District of Columbus was established in the District of Cairo, comprising the vicinity of Columbus, Kentucky.

30 June 1862: The Sub-District of Columbus was discontinued.

12 August 1862: Brigadier-General James Madison Tuttle assumed command of the District of Cairo, succeeding Brigadier-General William Kerley Strong.

19 August 1862: The District of Cairo was discontinued.

District of Cairo, Illinois #3

25 January 1864-1 May 1864

Hugh Thompson Reid 25 January 1864-19 March 1864

Mason Brayman 19 March 1864-29 April 1864

Henry Prince 29 April 1864-1 May 1864

25 January 1864: The District of Cairo was established in the Department of the Tennessee, comprising the vicinity of Cairo, Illinois.

25 January 1864: Cairo, Illinois, transferred from the Northern Department to the District of Cairo in the Department of the Tennessee.

25 January 1864: Brigadier-General Hugh Thompson Reid assumed command of the District of Cairo.

19 March 1864: Brigadier-General Mason Brayman assumed command of the District of Cairo, succeeding Brigadier-General Hugh Thompson Reid.

29 April 1864: Brigadier-General Henry Prince assumed command of the District of Cairo, succeeding Brigadier-General Mason Brayman.

1 May 1864: The District of Cairo was discontinued.

District of California

1 July 1864-27 June 1865

George Wright 1 July 1864-27 June 1865

1 July 1864: The District of California was established in the Department of the Pacific, comprising the state of California.

1 July 1864: Brigadier-General George Wright assumed command of the District of California.

27 June 1865: The District of California was discontinued.

District of Southern California

14 September 1861-27 June 1865

George Wright 14 September 1861-13 October 1861

James Henry Carleton 14 October 1861-11 January 1862

Joseph Rodman West temporary 12 January 1862-4 February 1862

James Henry Carleton 5 February 1862-14 May 1862

George Washington Bowie temporary 15 May 1862-6 February 1863

Harvey Lee temporary 7 February 1863-9 April 1863

Ferris Foreman temporary 10 April 1863-6 July 1863

James Freeman Curtis 7 July 1863-27 June 1865

14 September 1861: The District of Southern California was established in the Department of the Pacific, comprising California from San Francisco southwards.

14 September 1861: Colonel George Wright was appointed to command the District of Southern California, arriving on 4 October 1861.

4 October 1861: Brigadier-General George Wright arrived to command the District of Southern California.

14 October 1861: Colonel James Henry Carleton assumed command of the District of Southern California, succeeding Colonel George Wright who took temporary command of the Department of the Pacific.

12 January 1862: Lieutenant-Colonel Joseph Rodman West assumed temporary command of the District of Southern California, succeeding Colonel James Henry Carleton.

5 February 1862: Colonel James Henry Carleton assumed command the District of Southern California, succeeding Lieutenant-Colonel Joseph Rodman West.

15 May 1862: Colonel George Washington Bowie assumed command of the District of Southern California, succeeding Brigadier-General James Henry Carleton.

7 February 1863: Lieutenant-Colonel Harvey Lee assumed temporary command of the District of Southern California, succeeding Colonel George Washington Bowie.

10 April 1863: Colonel Ferris Foreman assumed temporary command of the District of Southern California, succeeding Lieutenant-Colonel Harvey Lee.

7 July 1863: Lieutenant Colonel James Freeman Curtis assumed command of the District of Southern California, succeeding Colonel Ferris Foreman.

27 June 1865: The District of Southern California was discontinued.

District of Carrollton, Louisiana

1 May 1864-27 June 1865

Nelson B Bartram 1 May 1864-30 September 1864

Nelson Viall 1 October 1864-31 March 1865

William S Mudgett 1 April 1865-27 June 1865

1 May 1864: The District of Carrollton was established in the Department of the Gulf, comprising the territory around Carrollton, Camp Parapet, De Sair, Fort Banks, Kennerville, Jeffersonville, and Pass Manchac, Louisiana.

1 May 1864: Colonel Nelson B Bartram assumed command of the District of Carrollton.

1 October 1864: Lieutenant-Colonel Nelson Viall assumed command of the District of Carrollton, succeeding Colonel Nelson B Bartram.

11 February 1865: The District of Carrollton transferred to the Southern District of Louisiana.

11 February 1865: Lieutenant-Colonel Nelson Viall retained command of the District of Carrollton.

1 April 1865: Colonel William S Mudgett assumed command of the District of Carrollton, succeeding Lieutenant-Colonel Nelson Viall.

27 June 1865: The District of Carrollton was discontinued.

District of Charleston, South Carolina

23 June 1865-27 June 1865

John Porter Hatch 23 June 1865-27 June 1865

23 June 1865: The District of Charleston was established in the Department of the South. It comprised Charleston, Colleton, Orangeburg, Lexington, Barnwell, and Richland districts counties of South Carolina.

23 June 1865: Brigadier-General John Porter Hatch assumed command of the District of Charleston.

27 June 1865: The District of Charleston was discontinued.

Cheat Mountain District, Virginia #1

24 July 1861-19 September 1861

Joseph Jones Reynolds 24 July 1861-19 September 1861

24 July 1861: The Cheat Mountain District was established in the Department of the Ohio, comprising the vicinity of Cheat Mountain, Virginia.

24 July 1861: Brigadier-General Joseph Jones Reynolds assumed command of the Cheat Mountain District.

19 September 1861: The Cheat Mountain District was discontinued.

Cheat Mountain District, Virginia #2

19 December 1861-26 June 1862

Robert Huston Milroy 19 December 1861-12 April 1862

Thomas Maley Harris 12 April 1862-26 June 1862

19 December 1861: The Cheat Mountain District was re-established in the Department of Western Virginia, comprising the vicinity of Beverly, Elkwater and Huttonsville.

19 December 1861: Brigadier-General Robert Huston Milroy assumed command of the Cheat Mountain District.

11 March 1862: The Cheat Mountain District transferred from the Department of Western Virginia to the Mountain Department, comprising all the territory west of the Allegheny Mountains south of the Baltimore & Ohio Railroad, east of the Summerville-Weston Road and north of the Gauley River.

11 March 1862: Brigadier-General Robert Huston Milroy retained command of the Cheat Mountain District.

12 April 1862: Lieutenant-Colonel Thomas Maley Harris assumed command of the Cheat Mountain District, succeeding Brigadier-General Robert Huston Milroy.

26 June 1862: The Cheat Mountain District was discontinued.

Cheat Mountain District, Virginia #3

24 September 1862-13 November 1862

Robert Huston Milroy 24 September 1862-13 November 18621863

24 September 1862: The Cheat Mountain District was re-established in the Department of the Ohio, comprising the vicinity of Cheat Mountain, Virginia.

24 September 1862: Brigadier-General Robert Huston Milroy assumed command of the Cheat Mountain District.

13 November 1862: The Cheat Mountain District in the Department of the Ohio was discontinued.

Cheat River District, Virginia

25 July 1861-4 September 1861

Charles John Biddle 25 July 1861-19 August 1861

Henry Washington Benham 20 August 1861-4 September 1861

25 July 1861: The Cheat River District was established in the Department of the Ohio, comprising the territories of Tygart’s Valley and the Cheat River in Virginia.

25 July 1861: Colonel Charles John Biddle assumed command of the Cheat River District.

20 August 1861: Brigadier-General Henry Washington Benham assumed command of the Cheat River District, succeeding Colonel Charles John Biddle.

4 September 1861: The Cheat River District was discontinued.

District of the Clinch, Tennessee

21 November 1863-4 April 1864

Orlando Bolivar Willcox 24 November 1863-17 January 1864

Theophilus Toulmin Garrard 17 January 1864-4 April 1864

21 November 1863: The District of the Clinch was established in the Department of the Ohio, comprising comprised the vicinity of Cumberland Gap.

21 November 1863: Brigadier-General Orlando Bolivar Willcox assumed command of the District of the Clinch.

17 January 1864: Brigadier-General Theophilus Toulmin Garrard assumed command of the District of the Clinch, succeeding Brigadier-General Orlando Bolivar Willcox.

4 April 1864: The District of the Clinch was discontinued.

District of Colorado

19 September 1862-2 November 1862

John Milton Chivington 19 September 1862-2 November 1862

19 September 1862: The District of Colorado was established as an independent command reporting to the War Department, comprising the territory of the Colorado Territory taken from the discontinued Department of Kansas.

19 September 1862: Colonel John Milton Chivington assumed command of the District of Colorado.

11 October 1862: The District of Colorado apart from Fort Garland transferred from the War Department to the Department of the Missouri.

11 October 1862: Colonel John Milton Chivington retained command of the District of Colorado.

2 November 1862: The District of Colorado was discontinued and renamed as the District of Colorado Territory.

District of Colorado Territory #1

2 November 1862-1 January 1863

John Milton Chivington2 November 1862-1 January 1863

2 November 1862: The District of Colorado was renamed as the District of Colorado Territory.

2 November 1862: The District of Colorado Territory was subordinated to the Department of the Missouri.

2 November 1862: Colonel John Milton Chivington retained command of the District of Colorado Territory.

1 January 1863: The District of Colorado Territory was discontinued in the Department of the Missouri.

District of Colorado Territory #2

28 February 1864-28 March 1865

John Milton Chivington 28 February 1864-3 January 1865

Thomas Moonlight 4 January 1865-30 January 1865

John Milton Chivington 30 January 1865-28 March 1865

28 February 1864: The District of Colorado Territory was re-established in the Department of Kansas, comprising the Colorado Territory.

28 February 1864: Colonel John Milton Chivington assumed command of the District of Colorado Territory.

4 January 1865: Colonel Thomas Moonlight assumed command of the District of Colorado Territory, succeeding Colonel John Milton Chivington.

30 January 1865: The District of Colorado Territory transferred from the Department of Kansas to the Department of the Missouri.

30 January 1865: Colonel John Milton Chivington assumed command of the District of Colorado Territory, succeeding Colonel Thomas Moonlight.

28 March 1865: The District of Colorado Territory was discontinued, and its territory incorporated into the District of the Plains.

District of Columbus

30 October 1862-15 January 1863

Thomas Alfred Davies 30 October 1862-11 January 1863

Alexander Asboth 11 January 1863-15 January 1863

30 October 1862: The District of Columbus was established in the Department of the Tennessee, comprising parts of Kentucky and Tennessee west of the Tennessee River north of a line running from Big Sandy, through Paris, Tennessee, to the Obion River and along that river to the Mississippi River.

30 October 1862: Brigadier-General Thomas Alfred Davies assumed command of the District of Columbus.

11 January 1863: Brigadier-General Alexander Asboth assumed command of the District of Columbus, succeeding Brigadier-General Thomas Alfred Davies.

15 January 1863: The District of Columbus was discontinued, and its territory incorporated into the District of West Tennessee.

Sub-District of Columbus, Tennessee

1 April 1862-30 June 1862

Isaac Ferdinand Quinby 1 April 1862-30 June 1862

1 April 1862: The Sub-District of Columbus was established in the District of Cairo, comprising the vicinity of Columbus, Kentucky.

1 April 1862: Brigadier-General Isaac Ferdinand Quinby assumed command of the Sub-District of Columbus.

30 June 1862: The Sub-District of Columbus was discontinued.

District of Corinth, Mississippi

1 July 1862-15 January 1863

William Starke Rosecrans 1 July 1862-20 October 1862

Charles Smith Hamilton 20 October 1862-15 January 1863

1 July 1862: The District of Corinth was established in the Department of the Mississippi, comprising the vicinity of Corinth, Mississippi.

1 July 1862: Major-General William Starke Rosecrans assumed command of the District of Corinth.

19 September 1862: The District of Corinth transferred from the Department of the Mississippi to the District of West Tennessee.

19 September 1862: The District of Corinth transferred from the Department of the Mississippi to the District of West Tennessee. Major-General William Starke Rosecrans retained command of the District of Corinth.

16 October 1862: The District of Corinth transferred from the District of West Tennessee to the Department of Tennessee.

16 October 1862: Major-General William Starke Rosecrans retained command of the District of Corinth.

20 October 1862: Major-General Charles Smith Hamilton assumed command of the District of Corinth, succeeding Major-General William Starke Rosecrans.

15 January 1863: The District of Corinth was discontinued, and its territory incorporated into the District of West Tennessee.

District of Cumberland, Virginia

11 March 1862-7 April 1862

Robert Cumming Schenck 11 March 1862-7 April 1862

11 March 1862: The District of Cumberland was established in the Mountain Department, comprising the territory east of the Allegheny Mountains controlled by the Mountain Department.

11 March 1862: Brigadier-General Robert Cumming Schenck assumed command of the District of Cumberland.

7 April 1862: The District of Cumberland was discontinued.

District of Currituck, North Carolina

11 December 1863-18 January 1865

James Hewitt Ledlie 11 December 1863-15 February 1864

Samuel Henry Roberts 16 February 1864-18 January 1865

11 December 1863: The District of Currituck was established in the Department of Virginia and North Carolina, comprising Pungo, Currituck Court House, Coinjack, and Northwest Landing on the border of Virginia and North Carolina.

11 December 1863: Brigadier-General James Hewitt Ledlie assumed command of the District of Currituck.

16 February 1864: Colonel Samuel Henry Roberts assumed command of the District of Currituck, succeeding Brigadier-General James Hewitt Ledlie.

18 January 1865: The District of Currituck was discontinued.

District of Dakota

1 June 1863-4 December 1863

Alfred Sully 1 June 1863-4 December 1863

1 June 1863: The District of Dakota was established in the Department of the Northwest, comprising the Dakota Territory.

1 June 1863: Brigadier-General Alfred Sully assumed command of the District of Dakota.

4 December 1863: The District of Dakota was discontinued, and its territory incorporated into the District of Iowa.

District of Delaware

3 July 1863-24 March 1865

Daniel Tyler 3 July 1863-19 January 1864

Henry Bethel Judd temporary 19 January 1864-4 April 1864

John Reese Kenly 4 April 1864-20 July 1864

Henry Hayes Lockwood 20 July 1864-20 August 1864

Samuel M Bowman 20 August 1864-24 March 1865

3 July 1863: The District of Delaware was established in the Middle Department, comprising the state of Delaware.

3 July 1863: Brigadier-General Daniel Tyler assumed command of the District of Delaware.

19 January 1864: Major Henry Bethel Judd assumed temporary command of the District of Delaware, succeeding Brigadier-General Daniel Tyler.

12 March 1864: Fort Delaware was detached from the District of Delaware Middle Department to independent command under the War Department.

4 April 1864: Brigadier-General John Reese Kenly assumed command of the District of Delaware, succeeding Major Henry Bethel Judd.

20 July 1864: Brigadier-General Henry Hayes Lockwood assumed command of the District of Delaware, succeeding Brigadier-General John Reese Kenly.

20 August 1864: Colonel Samuel M Bowman assumed command of the District of Delaware, succeeding Brigadier-General Henry Hayes Lockwood.

24 March 1865: The District of Delaware was discontinued, and incorporated into the District of Delaware and the Eastern Shore.

District of Delaware and the Eastern Shore of Maryland

24 March 1865-1 August 1865

John Reese Kenly 24 March 1865-5 June 1865

John Moulder Wilson 5 June 1865-1 August 1865

24 March 1865: The District of Delaware and the Eastern Shore was established in the Middle Department. It included the territory formerly in the District of Delaware and the District of the Eastern Shore of Maryland.

24 March 1865: Brigadier-General John Reese Kenly assumed command of the District of Delaware and the Eastern Shore.

5 June 1865: Lieutenant-Colonel John Moulder Wilson assumed temporary command of the District of Delaware and the Eastern Shore, succeeding Brigadier-General John Reese Kenly.

1 August 1865: The District of Delaware and the Eastern Shore was discontinued.

District of the Eastern Shore of Maryland

22 March 1862-24 March 1865

Henry Hayes Lockwood 22 March 1862-5 January 1865

John Reese Kenly 5 January 1865-24 March 1865

22 March 1862: The District of the Eastern Shore of Maryland was established in the Middle Department.

22 March 1862: Brigadier-General Henry Hayes Lockwood assumed command of the District of the Eastern Shore of Maryland.

5 January 1865: Brigadier-General John Reese Kenly assumed command of the District of the Eastern Shore of Maryland, succeeding Brigadier-General Henry Hayes Lockwood.

24 March 1865: The District of the Eastern Shore of Maryland was discontinued, and incorporated into the District of Delaware and the Eastern Shore.

District of Etowah, Georgia

15 June 1864-20 June 1865

James Blair Steedman 15 June 1864-29 November 1864

Thomas Francis Meagher 29 November 1864-5 January 1865

James Blair Steedman 5 January 1865-20 June 1865

15 June 1864: The District of Etowah was established in the Department of the Cumberland, comprising the vicinity of Bridgeport in Alabama, Cleveland and Chattanooga in Tennessee, and Rome and Allatoona in Georgia.

15 June 1864: Major-General James Blair Steedman assumed command of the District of Etowah.

29 November 1864: Brigadier-General Thomas Francis Meagher assumed command of the District of Etowah, succeeding Major-General James Blair Steedman.

5 January 1865: Major-General James Blair Steedman assumed command of the District of Etowah, succeeding Brigadier-General Thomas Francis Meagher.

20 June 1865: The District of Etowah was discontinued.

District of Florida

7 February 1864-27 June 1865

Truman Seymour 7 February 1864-27 March 1864

John Porter Hatch 28 March 1864-19 April 1864

William Birney 20 April 1864-12 May 1864

George Henry Gordon 13 May 1864-1 June 1864

William Birney 2 June 1864-28 July 1864

William Henry Noble temporary 29 July 1864-3 August 1864

John Porter Hatch 4 August 1864-13 November 1864

Eliakim Parker Scammon 14 November 1864-6 April 1865

Benjamin Chew Tilghman 7 April 1865-18 April 1865

Israel Vogdes 19 April 1865-27 June 1865

7 February 1864: The District of Florida was established in the Department of the South, comprising the territories of Florida occupied by Federal troops.

7 February 1864: Brigadier-General Truman Seymour was appointed to command the District of Florida, arriving on 16 February.

16 February 1864: Brigadier-General Truman Seymour arrived to command the District of Florida.

28 March 1864: Brigadier-General John Porter Hatch assumed command of the District of Florida, succeeding Brigadier-General Truman Seymour.

20 April 1864: Brigadier-General William Birney assumed command of the District of Florida, succeeding Brigadier-General John Porter Hatch.

13 May 1864: Brigadier-General George Henry Gordon assumed command of the District of Florida, succeeding Brigadier-General William Birney.

2 June 1864: Brigadier-General William Birney assumed command of the District of Florida, succeeding Brigadier-General George Henry Gordon.

29 July 1864: Colonel William Henry Noble assumed temporary command of the District of Florida, succeeding Brigadier-General William Birney.

4 August 1864: Brigadier-General John Porter Hatch assumed command of the District of Florida, succeeding Colonel William Henry Noble.

14 November 1864: Brigadier-General Eliakim Parker Scammon assumed command of the District of Florida, succeeding Brigadier-General John Porter Hatch.

7 April 1865: Colonel Benjamin Chew Tilghman assumed command of the District of Florida, succeeding Brigadier-General Eliakim Parker Scammon.

19 April 1865: Brigadier-General Israel Vogdes assumed command of the District of Florida, succeeding Colonel Benjamin Chew Tilghman.

3 June 1865: The District of Florida transferred from the Department of the South to the Department of the Gulf. It comprised the state of Florida.

3 June 1865 Brigadier-General Israel Vogdes retained command of the District of Florida

27 June 1865: The District of Florida was discontinued, and its territory transferred to the Department of Florida.

District of West Florida #1

1 February 1864-12 September 1864

Alexander Asboth 1 February 1864-12 September 1864

1 February 1864: The District of West Florida was established in the Department of the South, comprising the vicinity of Pensacola, Florida from the discontinued District of Pensacola.

1 February 1864: Brigadier-General Alexander Asboth assumed command of the District of West Florida.

17 May 1864: The District of West Florida transferred from the Department of the South to the Department of the Gulf.

17 May 1864: Brigadier-General Alexander Asboth retained command of the District of West Florida.

12 September 1864: The District of West Florida was discontinued and renamed as the Sub-District of West Florida.

District of West Florida #2

17 March 1865-27 June 1865

Alexander Asboth 17 March 1865-27 June 1865

17 March 1865: The District of West Florida was re-established in the Department of the Gulf.

17 March 1865: Brigadier-General Alexander Asboth assumed command of the District of West Florida.

3 June 1865: The District of West Florida was discontinued, and its territory incorporated in the District of Florida.

Sub-District of West Florida

12 September 1864-17 March 1865

Alexander Asboth 12 September 1864-26 September 1864

Joseph Bailey 27 September 1864-24 November 1864

Thomas Jefferson McKean 25 November 1864-14 February 1865

Alexander Asboth 15 February 1865-17 March 1865

12 September 1864: The Sub-District of West Florida was established in the District of West Florida and South Alabama.

12 September 1864: Brigadier-General Alexander Asboth retained command of the Sub-District of West Florida.

27 September 1864: Colonel Joseph Bailey assumed command of the Sub-District of West Florida, succeeding Brigadier-General Alexander Asboth.

25 November 1864: Brigadier-General Thomas Jefferson McKean assumed command of the Sub-District of West Florida, succeeding Brigadier-General Joseph Bailey.

15 February 1865: Brigadier-General Alexander Asboth assumed command of the Sub-District of West Florida, succeeding Brigadier-General Thomas Jefferson McKean.

17 March 1865: The Sub-District of West Florida was discontinued, and its territory assigned to the District of West Florida.

District of West Florida and South Alabama

12 September 1864– 17 March 1865

Gordon Granger 12 September 1864– 17 March 1865

12 September 1864: The District of West Florida and South Alabama was established in the Department of the Gulf, comprising the territories of Mobile Bay and Pensacola, Florida.

12 September 1864: Major-General Gordon Granger assumed command of the District of West Florida and South Alabama.

12 September 1864: The Sub-District of West Florida was established in the District of West Florida and South Alabama.

1 March 1865: The District of West Florida and South Alabama transferred from the Department of the Gulf to the direct control of the Military Division of West Mississippi.

1 March 1865: Major-General Gordon Granger retained command of the District of West Florida and South Alabama.

17 March 1865: The Sub-District of West Florida was discontinued, and its territory assigned to the District of West Florida.

17 March 1865: The District of West Florida and South Alabama was discontinued. Its territory transferred from the Military Division of West Mississippi to the Department of the Gulf as the District of West Florida and the District of South Alabama.

District of Fort Monroe, Virginia

21 May 1865-31 December 1865

Nelson Appleton Miles 21 May 1865-31 December 1865

21 May 1865: The District of Fort Monroe was established in the Department of Virginia. It comprised Fort Monroe and the counties of Accomac and Northampton.

21 May 1865: Brigadier-General Nelson Appleton Miles assumed command of the District of Fort Monroe.

25 May 1865: The Sub-District of the Peninsula transferred from the District of Eastern Virginia to the District of Fort Monroe. It was redefined to include the counties of Mathews, Gloucester, New Kent, King William, Charles City, James City, York, Warwick, and Elizabeth City in Virginia, except for Fort Monroe.

District of the Frontier, Arkansas

9 June 1863–23 February 1864

James Gilpatrick Blunt 9 June 1863-23 February 1864

9 June 1863:The District of the Frontier was established in the Department of the Missouri. It comprised the state of Arkansas west of Dardanelle and the Indian Territory, including Fort Smith. The counties of Vernon, Barton, Jasper, Newton, and McDonald transferred from the District of Southwest Missouri to the District of the Frontier.

9 June 1863:Brigadier-General James Gilpatrick Blunt assumed command of the District of the Frontier.

15 July 1863: The counties of Vernon, Barton, Jasper, Newton, and McDonald transferred from the District of the Frontier to the District of Southwest Missouri.

6 January 1864: The District of the Frontier was divided into two parts: the District of the Frontier Kansas in the Department of Kansas; and the District of the Frontier Arkansas in the Department of Arkansas.

6 January 1864: The District of the Frontier Arkansas transferred from the Department of the Missouri to the Department of Arkansas. It comprised the state of Arkansas west of Dardanelle, except for Fort Smith.

6 January 1864: Major-General James Gilpatrick Blunt retained command of the District of the Frontier Arkansas.

23 February 1864: The District of the Frontier Arkansas was discontinued, and renamed as the District of the Frontier in the Department of Arkansas.

23 February 1864: The District of the Frontier Kansas was discontinued, and incorporated into the District of the Frontier in the Department of Arkansas.

District of the Frontier (Kansas)

6 January 1864-23 February 1864

John Milton Thayer 6 January 1864-23 February 1864

6 January 1864: The District of the Frontier Kansas was established after the transfer of part of the District of the Frontier from the Department of the Missouri to the Department of Kansas. It comprised Fort Smith and the Indian Territory.

6 January 1864: Brigadier-General John Milton Thayer assumed command of the District of the Frontier Kansas.

23 February 1864: The District of the Frontier Kansas was discontinued, and incorporated into the District of the Frontier in the Department of Arkansas.

District of the Frontier

23 February 1864-1 February 1865

James Gilpatrick Blunt 23 February 1864-18 May 1864

John Milton Thayer 19 May 1864-1 February 1865

23 February 1864: The District of the Frontier in the Department of Arkansas was established.

23 February 1864: Brigadier-General James Gilpatrick Blunt assumed command of the District of the Frontier in the Department of Arkansas.

19 May 1864: Brigadier-General John Milton Thayer assumed command of the District of the Frontier, succeeding Major-General James Gilpatrick Blunt.

1 February 1865: The District of the Frontier in the Department of Arkansas was discontinued.

District of the Gap, Virginia

11 March 1862-26 June 1862

Samuel Powhatan Carter 11 March 1862-26 June 1862

11 March 1862: The District of the Gap was established in the Mountain Department. It consisted of the territory west of the valley of the Big Sandy River within the Mountain Department. It was controlled operationally by the Army of the Ohio.

11 March 1862: Lieutenant USN Samuel Powhatan Carter assumed command of the District of the Gap.

26 June 1862: The District of the Gap was discontinued.

District of Northern Georgia

5 June 1865-27 June 1865

Edward Leslie Molineux 5 June 1865-27 June 1865

5 June 1865: The District of Northern Georgia was established in the Department of the South. It comprised the territory around Augusta and along the upper Savannah River.

5 June 1865: Colonel Edward Leslie Molineux assumed command of the District of Northern Georgia.

27 June 1865: The District of Northern Georgia was discontinued.

District of Southern Georgia

5 June 1865-27 June 1865

Cuvier Grover 5 June 1865-27 June 1865

5 June 1865: The District of Southern Georgia was established in the Department of the South. It comprised the state of Georgia south of the northern boundaries of Liberty, Tattnall, Montgomery, Laurens, Pulaski, Dooly, Sumter, Webster, and Stewart counties.

5 June 1865: Brigadier-General Cuvier Grover assumed command of the District of Southern Georgia.

27 June 1865: The District of Southern Georgia was discontinued.

District of Grafton, Virginia

3 August 1861-20 December 1861

Benjamin Franklin Kelley 3 August 1861-20 December 1861

3 August 1861: The District of Grafton was established in the Department of the Ohio, comprising the line of the Baltimore & Ohio Railroad from Cumberland, Maryland, to Wheeling, Virginia, and the Northwestern Virginia Railroad from Grafton to Parkersburg, Virginia.

3 August 1761: Brigadier-General Benjamin Franklin Kelley assumed command of the District of Grafton.

20 December 1861: The District of Grafton was discontinued, and its territory transferred to the Railroad District in the Department of Western Virginia.

District of Greensboro, North Carolina

6 July 1865-31 December 1865

Samuel Powhatan Carter 6 July 1865-31 December 1865

6 July 1865: The District of Greensboro was established in the Department of North Carolina. The district extended over 22 counties in central North Carolina, around Greensboro.

6 July 1865: Brigadier-General Samuel Powhatan Carter assumed command of the District of Greensboro.

District of Harper’s Ferry, West Virginia

24 May 1864-25 February 1865

Franz Sigel 24 May 1864-7 July 1864

Albion Parris Howe 7 July 1864-8 August 1864

Max Weber 8 August 1864-15 August 1864

John Dunlap Stevenson 15 August 1864-21 February 1865

William Henry Seward 21 February 1865-25 February 1865

20 May 1864: The District of Harper’s Ferry was established in the Department of West Virginia, comprising the line of the Baltimore & Ohio Railroad from Monocacy to Hancock, Maryland.

20 May 1864: Major-General Franz Sigel assumed command of the District of Harper’s Ferry.

7 July 1864: Brigadier-General Albion Parris Howe assumed command of the District of Harper’s Ferry, succeeding Major-General Franz Sigel.

8 August 1864: Brigadier-General Max Weber assumed command of the District of Harper’s Ferry, succeeding Brigadier-General Albion Parris Howe.

15 August 1864: Brigadier-General John Dunlap Stevenson assumed command of the District of Harper’s Ferry, succeeding Brigadier-General Max Weber.

21 February 1865: Brigadier-General William Henry Seward assumed command of the District of Harper’s Ferry, succeeding Brigadier-General John Dunlap Stevenson.

25 February 1865: The District of Harper’s Ferry was discontinued.

District of Harper’s Ferry and Cumberland, Virginia

20 October 1861-12 March 1862

Frederick West Lander 20 October 1861-21 October 1861

Benjamin Franklin Kelley temporary 22 October 1861-30 November 1861

Frederick West Lander 1 December 1861-1 March 1862

James Shields 2 March 1862-12 March 1862

20 October 1861: The District of Harper’s Ferry and Cumberland was established in the Department of the Potomac, responsible for the railroad from Harper’s Ferry, Virginia, to Cumberland, Maryland, including a strip of land twenty miles wide along the south bank of the Potomac River.

20 October 1861: Brigadier-General Frederick West Lander assumed command of the District of Harper’s Ferry and Cumberland.

22 October 1861: Brigadier-General Benjamin Franklin Kelley assumed temporary command of the District of Harper’s Ferry and Cumberland, succeeding Brigadier-General Frederick West Lander.

1 December 1861: Brigadier-General Frederick West Lander assumed command of the District of Harper’s Ferry and Cumberland, succeeding Brigadier-General Benjamin Franklin Kelley.

2 March 1862: Brigadier-General James Shields assumed temporary command of the District of Harper’s Ferry and Cumberland, succeeding the late Brigadier-General Frederick West Lander.

12 March 1862: The District of Harper’s Ferry and Cumberland was discontinued.

District of Henrico, Virginia

25 May 1865-27 June 1865

Marsena Rudolph Patrick 25 May 1865-9 June 1865

John Wesley Turner 9 June 1865-31 December 1865

25 May 1865: The District of Henrico was established in the Department of Virginia, to comprise Henrico County, Virginia.

25 May 1865: Brigadier-General Marsena Rudolph Patrick assumed command of the District of Henrico.

9 June 1865: Brigadier-General John Wesley Turner assumed command of the District of Henrico, succeeding Major-General Marsena Rudolph Patrick.

13 July 1865: Manchester County, Virginia, was added to the District of Henrico.

District of Hilton Head, South Carolina

15 January 1864-13 May 1865

Truman Seymour 15 January 1863-5 February 1864

Joshua Blackwood Howell 6 February 1864-25 April 1864

William Watts Davis 26 April 1864-12 May 1864

William Birney 13 May 1864-1 June 1864

John Porter Hatch 2 June 1864-31 July 1864

Edward Elmer Potter 1 August 1864-25 October 1864

Philip Perry Brown 26 October 1864-31 October 1864

Edward Elmer Potter 1 November 1864-27 November 1864

Philip Perry Brown 28 November 1864-23 December 1864

Milton Smith Littlefield 24 December 1864-31 December 1864

Philip Perry Brown 1 January 1865-21 February 1865

Milton Smith Littlefield 22 February 1865-13 May 1865

15 January 1863: The District of Hilton Head was established in the Department of the South. It comprised Hilton Head, Seabrook and Saint Helena Islands in South Carolina, and Tybee Island and Fort Pulaski, Georgia.

15 January 1863: Brigadier-General Truman Seymour assumed command of the District of Hilton Head.

6 February 1864: Colonel Joshua Blackwood Howell assumed command of the District of Hilton Head, succeeding Brigadier-General Truman Seymour.

26 April 1864: Colonel William Watts Hart Davis assumed command of the District of Hilton Head, succeeding Colonel Joshua Blackwood Howell.

13 May 1864: Brigadier-General William Birney assumed command of the District of Hilton Head, succeeding Colonel William Watts Hart Davis.

2 June 1864: Brigadier-General John Porter Hatch assumed command of the District of Hilton Head, succeeding Brigadier-General William Birney.

1 August 1864: Brigadier-General Edward Elmer Potter assumed command of the District of Hilton Head, succeeding Brigadier-General John Porter Hatch.

26 October 1864: Colonel Philip Perry Brown assumed command of the District of Hilton Head, succeeding Brigadier-General Edward Elmer Potter.

1 November 1864: Brigadier-General Edward Elmer Potter assumed command of the District of Hilton Head, succeeding Colonel Philip Perry Brown.

28 November 1864: Colonel Philip Perry Brown assumed command of the District of Hilton Head, succeeding Brigadier-General Edward Elmer Potter.

24 December 1864: Colonel Milton Smith Littlefield assumed command of the District of Hilton Head, succeeding Colonel Philip Perry Brown.

1 January 1865: Colonel Philip Perry Brown assumed command of the District of Hilton Head, succeeding Colonel Milton Smith Littlefield.

22 February 1865: Colonel Milton Smith Littlefield assumed command of the District of Hilton Head, succeeding Colonel Philip Perry Brown.

13 May 1865: The District of Hilton Head was discontinued, and its territory transferred to the District of Port Royal.

District of the Humboldt, California

12 December 1861-27 June 1865

Francis James Lippitt 12 December 1861-12 July 1863

Stephen Girard Whipple 13 July 1863-7 February 1864

Henry M Black 8 February 1864-30 June 1864

Stephen Girard Whipple 1 July 1864-27 June 1865

12 December 1861: The District of the Humboldt was established in the Department of the Pacific, comprising Sonoma, Napa, Mendocino, Trinity, Humboldt, Klamath, and Del Norte counties in California.

12 December 1861: Colonel Francis James Lippitt assumed command of the District of the Humboldt.

13 July 1863: Lieutenant-Colonel Stephen Girard Whipple assumed command of the District of the Humboldt, succeeding Colonel Francis James Lippitt.

8 February 1864: Colonel Henry M Black assumed command of the District of the Humboldt, succeeding Lieutenant-Colonel Stephen Girard Whipple.

1 July 1864: Lieutenant-Colonel Stephen Girard Whipple assumed command of the District of the Humboldt, succeeding Colonel Henry M Black.

27 June 1865: The District of the Humboldt was discontinued.

District of Illinois #1

7 April 1863-16 November 1863

Jacob Ammen 7 April 1863-16 November 1863

7 April 1863: The District of Illinois was established in the Department of the Ohio, comprising the state of Illinois.

7 April 1863: Brigadier-General Jacob Ammen assumed command of the District of Illinois.

16 November 1863: The District of Illinois was discontinued.

District of Illinois #2

13 August 1864-27 June 1865

Halbert Eleazer Paine 13 August 1864-10 September 1864

John Cook 10 September 1864-27 June 1865

13 August 1864: The District of Illinois was re-established in the Northern Department, comprising the state of Illinois.

13 August 1864: Brigadier-General Halbert Eleazer Paine assumed command of the District of Illinois.

10 September 1864: Brigadier-General John Cook assumed command of the District of Illinois, succeeding Brigadier-General Halbert Eleazer Paine.

27 June 1865: The District of Illinois was discontinued.

District of Indiana #1

23 March 1863-5 June 1863

Henry Beebe Carrington 23 March 1863-15 April 1863

Milo Smith Hascall 15 April 1863-5 June 1863

23 March 1863: The District of Indiana was established in the Department of the Ohio, comprising the state of Indiana. Brigadier-General Henry Beebe Carrington assumed command of the District of Indiana.

15 April 1863: Brigadier-General Milo Smith Hascall assumed command of the District of Indiana, succeeding Brigadier-General Henry Beebe Carrington.

5 June 1863: The District of Indiana was discontinued and incorporated into the District of Indiana and Michigan.

District of Indiana #2

11 September 1863-16 November 1863

John Smith Simonson 11 September 1863-16 November 1863

11 September 1863: The District of Indiana was established in the Department of the Ohio, comprising the state of Indiana from the discontinued District of Indiana and Michigan.

11 September 1863: Colonel John Smith Simonson assumed command of the District of Indiana.

16 November 1863: The District of Indiana was discontinued.

District of Indiana #3

12 January 1864-27 June 1865

John Smith Simonson 12 January 1864-23 May 1864

Henry Beebe Carrington 23 May 1864-25 August 1864

Alvin Peterson Hovey 25 August 1864-27 June 1865

12 January 1864: The District of Indiana was established in the Northern Department. It comprised the state of Indiana.

12 January 1864: Colonel John Smith Simonson assumed command of the District of Indiana.

23 May 1864: Brigadier-General Henry Beebe Carrington assumed command of the District of Indiana, succeeding Colonel John Smith Simonson.

25 August 1864: Brigadier-General Alvin Peterson Hovey assumed command of the District of Indiana, succeeding Brigadier-General Henry Beebe Carrington.

27 June 1865: The District of Indiana was discontinued.

District of Indiana and Michigan

5 June 1863-11 September 1863

Orlando Bolivar Willcox 5 June 1863-11 September 1863

5 June 1863: The District of Indiana and Michigan was established in the Department of the Ohio, comprising the states of Indiana and Michigan.

5 June 1863: Brigadier-General Orlando Bolivar Willcox assumed command of the District of Indiana and Michigan.

11 September 1863: The District of Indiana and Michigan was discontinued, and its territory transferred to the District of Indiana.

District of Iowa

8 June 1863-12 November 1864

Benjamin Stone Roberts 8 June 1863-3 December 1864

Alfred Sully 4 December 1863-12 November 1864

8 June 1863: The District of Iowa was established in the Department of the Northwest, comprising the state of Iowa.

8 June 1863: Brigadier-General Benjamin Stone Roberts assumed command of the District of Iowa.

4 December 1863: The District of Dakota was discontinued, and its territory incorporated into the District of Iowa.

4 December 1863: Brigadier-General Alfred Sully assumed command of the District of Iowa, succeeding Brigadier-General Benjamin Stone Roberts.

12 November 1864: The District of Iowa was discontinued.

District of Ironton, Missouri

5 July 1861-1 September 1861

Benjamin Gratz Brown 5 July 1861-7 August 1861

Ulysses Simpson Grant 8 August 1861-14 August 1861

Benjamin Mayberry Prentiss 15 August 1861-1 September 1861

5 July 1861:The District of Ironton was established in the Western Department, comprising the territory around Ironton, Missouri.

5 July 1861:Colonel Benjamin Gratz Brown assumed command of the District of Ironton.

8 August 1861: Brigadier-General Ulysses Simpson Grant assumed command of the District of Ironton, succeeding Colonel Benjamin Gratz Brown.

15 August 1861: Brigadier-General Benjamin Mayberry Prentiss assumed command of the District of Ironton, succeeding Brigadier-General Ulysses Simpson Grant.

1 September 1861: The District of Ironton was discontinued.

District of Jackson, Tennessee

16 October 1862-28 May 1863

Stephen Augustus Hurlbut 16 October 1862-19 November 1862

Jeremiah Cutler Sullivan 19 November 1862-20 March 1863

Nathan Kimball 20 March 1863-28 May 1863

16 October 1862: The District of Jackson was established in the Department of the Tennessee, to comprise the former Sub-District of Jackson.

16 October 1862: Major-General Stephen Augustus Hurlbut assumed command of the District of Jackson.

19 November 1862: Brigadier-General Jeremiah Cutler Sullivan assumed command of the District of Jackson, succeeding Major-General Stephen Augustus Hurlbut.

20 March 1863: Brigadier-General Nathan Kimball assumed command of the District of Jackson, succeeding Brigadier-General Jeremiah Cutler Sullivan.

28 May 1863: The District of Jackson was discontinued.

Sub-District of Jackson, Tennessee

21 June 1862-16 October 1862

John Alexander McClernand 21 June 1862-25 August 1862

John Alexander Logan 25 August 1862–24 September 1862

Edward Otho Cresap Ord 24 September 1862-5 October 1862

Stephen Augustus Hurlbut 5 October 1862-16 October 1862

21 June 1862: The Sub-District of Jackson was established in the District of West Tennessee, comprising the territory around Jackson, City, Bolivar, Grand Junction, La Grange, Trenton and Humboldt, Tennessee.

21 June 1862: Major-General John Alexander McClernand assumed command of the Sub-District of Jackson.

25 August 1862: Brigadier-General John Alexander Logan assumed command of the Sub-District of Jackson, succeeding Major-General John Alexander McClernand.

19 September 1862: The Sub-District of Jackson transferred with the District of West Tennessee to the War Department.

24 September 1862: Major-General Edward Otho Cresap Ord assumed command of the Sub-District of Jackson, succeeding Brigadier-General John Alexander Logan.

5 October 1862: Major-General Stephen Augustus Hurlbut assumed command of the Sub-District of Jackson, succeeding Major-General Edward Otho Cresap Ord.

16 October 1862: The Sub-District of Jackson was discontinued and renamed the District of Jackson.

Juniata District, Pennsylvania

6 September 1864-27 June 1865

Orris Sanford Ferry 6 September 1864-16 December 1864

Charles Hale Morgan 16 December 1864-27 June 1865

6 September 1864: Juniata District was established in the Department of the Susquehanna, comprising the line of the Williamsport & Elmira Railroad, along the Susquehanna River to the Blue Ridge Mountains and the Maryland State Line; Adams, Cumberland, Franklin and York counties and the Laurel Hill mountains extending north to Johnstown.

6 September 1864: Brigadier-General Orris Sanford Ferry assumed command of Juniata District.

1 December 1864: Juniata District transferred from the Department of the Susquehanna to the Department of Pennsylvania.

1 December 1864: Brigadier-General Orris Sanford Ferry retained command of Juniata District.

16 December 1864: Lieutenant-Colonel Charles Hale Morgan assumed command of Juniata District, succeeding Brigadier-General Orris Sanford Ferry.

27 June 1865: Juniata District was discontinued.

District of the Kanawha, Virginia

11 October 1861-26 June 1862

Jacob Dolson Cox 11 October 1861-26 June 1862

11 October 1861: The District of the Kanawha was established in the Department of Western Virginia, comprising Point Pleasant, Buffalo, Charleston, Gauley Bridge, Summerville, and Fayetteville.

11 October 1861: Brigadier-General Jacob Dolson Cox assumed command of the District of the Kanawha.

11 March 1862: The District of the Kanawha transferred from the Department of Western Virginia to the Mountain Department, comprising the valleys of the Kanawha, New and Guyandotte Rivers and the mouth of the Big Sandy River.

11 March 1862: The District of the Kanawha transferred from the Department of Western Virginia to the Mountain Department, comprising the valleys of the Kanawha, New and Guyandotte Rivers and the mouth of the Big Sandy River.

11 March 1862: Brigadier-General Jacob Dolson Cox retained command of the District of the Kanawha.

26 June 1862: The District of the Kanawha was discontinued.

Sub-District of the Kanawha, Virginia

19 September 1862-16 March 1863

Joseph Andrew Jackson Lightburn 19 September 1862-15 October 1862

Eliakim Parker Scammon 15 October 1862-16 March 1863

19 September 1862: The Sub-District of the Kanawha was established in the Department of the Ohio.

19 September 1862: Colonel Joseph Andrew Jackson Lightburn assumed command of the Sub-District of the Kanawha.

28 September 1862: The Sub-District of the Kanawha transferred to the District of Western Virginia in the Department of the Ohio.

28 September 1862: Brigadier-General Joseph Andrew Jackson Lightburn retained command of the Sub-District of the Kanawha.

15 October 1862: Brigadier-General Eliakim Parker Scammon assumed command of the Sub-District of the Kanawha, succeeding Colonel Joseph Andrew Jackson Lightburn.

16 March 1863: The Sub-District of the Kanawha was discontinued.

District of Kansas

19 March 1862-2 May 1862

David Hunter interim 18 March 1862-1 April 1862

James William Denver 19 March 1862-10 April 1862

Samuel Davis Sturgis 10 April 1862-2 May 1862

19 March 1862: The District of Kansas was established in the Department of the Mississippi.

19 March 1862: Brigadier-General James William Denver was appointed to command the District of Kansas, arriving on 1 April 1862.

19 March 1862: Major-General David Hunter retained interim command of the District of Kansas.

1 April 1862: Brigadier-General James William Denver arrived to command the District of Kansas.

10 April 1862: Brigadier-General Samuel Davis Sturgis assumed command of the District of Kansas, succeeding Brigadier-General James William Denver.

10 April 1862: Brigadier-General Samuel Davis Sturgis assumed command of the District of Kansas, succeeding Brigadier-General James William Denver.

2 May 1862: The District of Kansas was discontinued and renamed the Department of Kansas.

District of North Kansas

28 February 1864-27 May 1865

Thomas Alfred Davies 28 February 1864-27 March 1865

Robert Byington Mitchell 28 March 1865-27 May 1865

28 February 1864: The District of North Kansas was established in the Department of Kansas. It comprised the territory north of the Kansas River, and Sokey Hill Fork, Kansas.

28 February 1864: Brigadier-General Thomas Alfred Davies assumed command of the District of North Kansas.

30 January 1865: The District of North Kansas transferred from the Department of Kansas to the Department of the Missouri.

30 January 1865: Brigadier-General Thomas Alfred Davies retained command of the District of North Kansas.

28 March 1865: Brigadier-General Robert Byington Mitchell assumed command of the District of North Kansas, succeeding Brigadier-General Thomas Alfred Davies.

27 May 1865: The District of North Kansas was discontinued.

District of South Kansas

28 February 1864-3 June 1865

Thomas Jefferson McKean 28 February 1864-31 August 1864

George Sykes 1 September 1864-9 October 1864

James Gilpatrick Blunt 10 October 1864-30 October 1864

Thomas Alfred Davies 31 October 1864-21 November 1864

James Gilpatrick Blunt 22 November 1864-3 June 1865

28 February 1864: The District of South Kansas was established in the Department of Kansas. It comprised Kansas south of the Kansas River and Smoky Hill Fork.

28 February 1864: Brigadier-General Thomas Jefferson McKean assumed command of the District of South Kansas.

1 September 1864: Major-General George Sykes assumed command of the District of South Kansas, succeeding Brigadier-General Thomas Jefferson McKean.

10 October 1864: Major-General James Gilpatrick Blunt assumed command of the District of South Kansas, succeeding Major-General George Sykes.

31 October 1864: Brigadier-General Thomas Alfred Davies assumed command of the District of South Kansas, succeeding Major-General James Gilpatrick Blunt.

22 November 1864: Major-General James Gilpatrick Blunt assumed command of the District of South Kansas, succeeding Brigadier-General Thomas Alfred Davies.

30 January 1865: The District of South Kansas transferred from the Department of Kansas to the Department of the Missouri.

30 January 1865: Major-General James Gilpatrick Blunt retained command of the District of South Kansas.

22 April 1865: The District of South Kansas transferred from the Department of the Missouri to the Department of Arkansas. It comprised the vicinity of Fort Gibson, Indiana Territory.

22 April 1865: Major-General James Gilpatrick Blunt retained command of the District of South Kansas.

3 June 1865: The District of South Kansas was discontinued.

District of Kentucky

22 May 1863-10 February 1865

Jeremiah Tilford Boyle 22 May 1863-6 November 1863

Jacob Ammen 1 December 1863-5 February 1864

Stephen Gano Burbridge 5 February 1864-1 April 1864

Edward Henry Hobson 1 April 186410 April 1864

Stephen Gano Burbridge 10 April 1864-10 February 1865

22 May 1863: The District of Kentucky was established in the Department of the Ohio, comprising the state of Kentucky. Brigadier-General Jeremiah Tilford Boyle assumed command of the District of Kentucky.

6 November 1863: The Sub-District of Eastern Kentucky was established in the District of Kentucky.

6 November 1863: The Sub-District of North Central Kentucky was established in the District of Kentucky.

6 November 1863: The District of South Central Kentucky was discontinued, and renamed as the Sub-District of Eastern Kentucky in the District of Kentucky.

6 November 1863: The Sub-District of Somerset was established in the District of Kentucky

1 December 1863: The Sub-District of Eastern Kentucky was discontinued.

1 December 1863: The Sub-District of North Central Kentucky was discontinued.

1 December 1863: The Sub-District of South Central Kentucky was discontinued.

1 December 1863: The Sub-District of Somerset was discontinued.

1 December 1863: Brigadier-General Jacob Ammen assumed command of the District of Kentucky, succeeding Brigadier-General Jeremiah Tilford Boyle.

5 February 1864: Brigadier-General Stephen Gano Burbridge assumed command of the District of Kentucky, succeeding Brigadier-General Jacob Ammen.

1 April 1864: Brigadier-General Edward Henry Hobson assumed command of the District of Kentucky, succeeding Brigadier-General Stephen Gano Burbridge.

10 April 1864: Brigadier-General Stephen Gano Burbridge assumed command of the District of Kentucky, succeeding Brigadier-General Edward Henry Hobson.

17 January 1865: The District of Kentucky transferred from the Department of the Ohio to the Department of the Cumberland.

17 January 1865: Brigadier-General Stephen Gano Burbridge retained command of the District of Kentucky.

10 February 1865: The District of Kentucky was discontinued, and its territory incorporated into the Department of Kentucky.

District of Central Kentucky

17 November 1862-4 July 1863

Gordon Granger 17 November 1862-25 January 1863

Quincy Adams Gillmore 25 January 1863-10 April 1863

Orlando Bolivar Willcox 10 April 1863-4 June 1863

Samuel Davis Sturgis 4 June 1863-4 July 1863

17 November 1862: The District of Central Kentucky was established in the Department of the Ohio, comprising the 43 counties in the central portion of the state.

17 November 1862: Major-General Gordon Granger assumed command of the District of Central Kentucky.

25 January 1863: Brigadier-General Quincy Adams Gillmore assumed command of the District of Central Kentucky, succeeding Major-General Gordon Granger.

10 April 1863: Brigadier-General Orlando Bolivar Willcox assumed command of the District of Central Kentucky, succeeding Brigadier-General Quincy Adams Gillmore.

4 June 1863:Brigadier-General Samuel Davis Sturgis assumed command of the District of Central Kentucky, succeeding Brigadier-General Orlando Bolivar Willcox.

4 July 1863: The District of Central Kentucky was discontinued.

Sub-District of North Central Kentucky

6 November 1863-1 December 1863

Speed Smith Fry 6 November 1863-1 December 1863

6 November 1863: The Sub-District of North Central Kentucky was established in the District of Kentucky, comprising the territory around Camp Nelson, Kentucky.

6 November 1863: Brigadier-General Speed Smith Fry assumed command of the Sub-District of North Central Kentucky.

1 December 1863: The Sub-District of North Central Kentucky was discontinued.

Sub-District of South Central Kentucky

6 November 1863-1 December 1863

Edward Henry Hobson 6 November 1863-1 December 1863

6 November 1863: The Sub-District of Southern Central Kentucky was established in the District of Kentucky, comprising the vicinity of Munfordville, Kentucky.

6 November 1863: Brigadier-General Edward Henry Hobson assumed command of the Sub-District of Southern Central Kentucky.

1 December 1863: The Sub-District of South Central Kentucky was discontinued.

District of Eastern Kentucky

17 November 1862-6 November 1863

Jonathan Cranor 17 November 1862-5 February 1863

Julius White 5 February 1863-6 August 1863

Samuel Powhatan Carter 6 August 1863-15 August 1863

George W Gallup 15 August 1863-6 November 1863

17 November 1862: The District of Eastern Kentucky was established in the Department of the Ohio, comprising the nine easternmost counties in Kentucky.

17 November 1862: Colonel Jonathan Cranor assumed command of the District of Eastern Kentucky.

5 February 1863: Brigadier-General Julius White assumed command of the District of Eastern Kentucky, succeeding Colonel Jonathan Cranor.

6 August 1863: Brigadier-General Samuel Powhatan Carter assumed command of the District of Eastern Kentucky, succeeding Brigadier-General Julius White.

15 August 1863: Colonel George W Gallup assumed command of the District of Eastern Kentucky, succeeding Brigadier-General Samuel Powhatan Carter.

6 November 1863: The District of Eastern Kentucky was discontinued, and renamed as the Sub-District of Eastern Kentucky in the District of Kentucky.

Sub-District of Eastern Kentucky

6 November 1863-1 December 1863

George W Gallup 6 November 1863-1 December 1863

6 November 1863: The Sub-District of Eastern Kentucky was established in the District of Kentucky, comprising the renamed District of Eastern Kentucky.

6 November 1863: Colonel George W Gallup retained command of the Sub-District of Eastern Kentucky.

1 December 1863: Sub-District of Eastern Kentucky was discontinued.

District of Western Kentucky #1

8 September 1861-31 January 1862

Charles Ferguson Smith 8 September 1861-17 November 1861

Horatio Gouverneur Wright 17 November 1861-31 January 1862

8 September 1861: The District of Western Kentucky was established in the Western Department.

8 September 1861: Brigadier-General Charles Ferguson Smith assumed command of the District of Western Kentucky.

9 November 1861: The District of Western Kentucky transferred from the Western Department to the Department of the Missouri.

9 November 1861: Brigadier-General Charles Ferguson Smith retained command of the District of Western Kentucky.

17 November 1861: Brigadier-General Horatio Gouverneur Wright assumed command of the District of Western Kentucky, succeeding Brigadier-General Charles Ferguson Smith.

31 January 1862: The District of Western Kentucky was discontinued.

District of Western Kentucky #2

17 November 1862-11 September 1864

Jeremiah Tilford Boyle 17 November 1862-25 January 1864

Vacant 26 January 1864-25 March 1864

Horatio Gouverneur Wright 25 March 1864-4 April 1864

Eleazar Arthur Paine 4 April 1864-11 September 1864

17 November 1862: The District of Western Kentucky was re-established in the Department of the Ohio, comprising the territory of Kentucky west of the counties of Oldham, Shelby, Spencer, Washington, Marion, Taylor, Adair, Russell, and Clinton.

17 November 1862: Brigadier-General Jeremiah Tilford Boyle assumed command of the District of Western Kentucky.

26 January 1864: Command of the District of Western Kentucky became vacant after the resignation of Brigadier-General Jeremiah Tilford Boyle.

25 March 1864: The District of Western Kentucky transferred from the Department of the Ohio to the Department of the Tennessee.

25 March 1864: Brigadier-General Horatio Gouverneur Wright assumed command of the District of Western Kentucky, following a vacancy.

4 April 1864: Brigadier-General Eleazer Arthur Paine assumed command of the District of Western Kentucky, succeeding Brigadier-General Horatio Gouverneur Wright.

11 September 1864: The District of Western Kentucky was discontinued.

District of Western Kentucky #3

10 February 1865-21 May 1865

Solomon Meredith 10 February 1865-21 May 1865

10 February 1865: The District of Western Kentucky was re-established in the Department of Kentucky.

10 February 1865: Brigadier-General Solomon Meredith assumed command of the District of Western Kentucky.

21 May 1865: The District of Western Kentucky was discontinued.

District of Key West and Tortugas

16 March 1863-17 May 1865

Daniel Phineas Woodbury 16 March 1863-12 September 1863

Charles Hamilton temporary 13 September 1863-14 October 1863

Daniel Phineas Woodbury 15 October 1863-30 November 1863

Charles Hamilton temporary 1 December 1863-30 December 1863

Daniel Phineas Woodbury 31 December 1863-14 August 1864

Vacant 15 August 1864-14 October 1864

John Newton 15 October 1864-17 May 1865

16 March 1863: The District of Key West and Tortugas was established in the Department of the Gulf. The Tortugas and West Florida transferred from the Department of the South. The remainder of Florida remained in the Department of the South.

16 March 1863: Brigadier-General Daniel Phineas Woodbury assumed command of the District of Key West and Tortugas.

13 September 1863: Colonel Charles Hamilton assumed temporary command of the District of Key West and Tortugas, succeeding Brigadier-General Daniel Phineas Woodbury.

15 October 1863: Brigadier-General Daniel Phineas Woodbury assumed command of the District of Key West and Tortugas, succeeding Colonel Charles Hamilton.

1 December 1863: Colonel Charles Hamilton assumed temporary command of the District of Key West and the Tortugas, succeeding Brigadier-General Daniel Phineas Woodbury.

31 December 1863: Brigadier-General Daniel Phineas Woodbury assumed command of the District of Key West and Tortugas, succeeding Colonel Charles Smith Hamilton

15 August 1864: Command of the District of Key West and Tortugas became vacant.

15 October 1864: Brigadier-General John Newton assumed command of the District of Key West and Tortugas, following a vacancy.

10 February 1865: The District of Key West and Tortugas transferred from the Department of the Gulf directly to the Military Division of West Mississippi.

10 February 1865: Major-General John Newton retained command of the District of Key West and Tortugas.

17 May 1865: The District of Key West and Tortugas was discontinued, and its territory assigned to the Department of the Gulf.

District of La Fourche, Louisiana

9 November 1862-27 June 1865

Godfrey Weitzel 9 November 1862-29 April 1863

Henry Warner Birge 30 April 1863-31 December 1863

Edward Leslie Molineux 1 January 1864-31 January 1864

Nicholas Wyckoff Day 1 February 1864-3 May 1864

John McNeil 4 May 1864-8 June 1864

Robert Alexander Cameron 9 June 1864-27 June 1865

9 November 1862: The District of La Fourche was established in the Department of the Gulf, comprising the territory west of the Mississippi River and east of the Atchafalaya River in Louisiana. Its authority varied over Bayou Boeuf, Bayou des Allemands, Brashear City, Donaldsonville, Napoleonville, Terre Bonne, and Thibodeaux.

9 November 1862: Brigadier-General Godfrey Weitzel assumed command of the District of La Fourche.

30 April 1863: Colonel Henry Warner Birge assumed command of the District of La Fourche, succeeding Brigadier-General Godfrey Weitzel.

1 January 1864: Colonel Edward Leslie Molineux assumed command of the District of La Fourche, succeeding Brigadier-General Henry Warner Birge.

1 February 1864: Colonel Nicholas Wyckoff Day assumed command of the District of La Fourche, succeeding Colonel Edward Leslie Molineux.

4 May 1864: Brigadier-General John McNeil assumed command of the District of La Fourche, succeeding Colonel Nicholas Wyckoff Day.

9 June 1864: Brigadier-General Robert Alexander Cameron assumed command of the District of La Fourche, succeeding Brigadier-General John McNeil.

11 February 1865: The District of La Fourche transferred to the Southern District of Louisiana.

11 February 1865: Brigadier-General Robert Alexander Cameron retained command of the District of La Fourche.

22 June 1865: Command of the District of La Fourche became vacant with the resignation of Brigadier-General Robert Alexander Cameron.

27 June 1865: The District of La Fourche was discontinued and its territory incorporated into the Western District of Louisiana.

Lehigh District Pennsylvania

20 August 1863-1 December 1864

Franz Sigel 20 August 1863-9 November 1864

Thomas Scott Mather 9 November 1864-1 December 1864

20 August 1863: Lehigh District was established in the Department of the Susquehanna, comprising the counties of Berks, Lehigh, Schuylkill, Northampton, Carbon, Monroe, Luzerne, and Columbia counties in Pennsylvania.

20 August 1863: Major-General Franz Sigel was assigned to command Lehigh District, although de facto command was exercised by Brigadier-General Orris Sanford Ferry.

9 November 1864: Colonel Thomas Scott Mather assumed command of Lehigh District, succeeding Major-General Franz Sigel.

1 December 1864: Lehigh District was discontinued.

District of Little Rock, Arkansas

11 May 1864-4 February 1865

Eugene Asa Carr 11 May 1864-4 February 1865

11 May 1864: The District of Little Rock was established in the Department of Arkansas, comprising the posts of Little Rock, Lewisburg, and Pine Bluff.

11 May 1864: Brigadier-General Eugene Asa Carr assumed command of the District of Little Rock.

4 February 1865: The District of Little Rock in the Department of Arkansas was discontinued.

District of East Louisiana

29 May 1865-27 June 1865

Michael Kelly Lawler 29 May 1865-27 June 1865

29 May 1865: The District of East Louisiana was established in the Department of the Gulf.

29 May 1865: Brigadier-General Michael Kelly Lawler assumed command of the District of East Louisiana.

27 June 1865: The District of East Louisiana was discontinued and its territory incorporated into the Eastern District of Louisiana.

Eastern District of Louisiana

27 June 1865-26 July 1865

Thomas West Sherman 27 June 1865-26 July 1865

27 June 1865: The Eastern District of Louisiana was established in the Department of Louisiana, comprising the state of Louisiana east of the Mississippi River, the region between the Mississippi and the Atchafalaya and the ports from Brashear to New Iberia to Washington, Louisiana.

27 June 1865: Brigadier-General Thomas West Sherman assumed command of the Eastern District of Louisiana.

26 July 1865: The Eastern District of Louisiana was discontinued.

District of Northeast Louisiana

11 May 1863-7 February 1864

Elias Smith Dennis 11 May 1863-28 July 1863

Isaac Fitzgerald Shepard 28 July 1863-18 August 1863

John Parker Hawkins 18 August 1863-7 February 1864

11 May 1863: The District of Northeast Louisiana was established in the Department of the Tennessee, comprising the territory around Milliken’s Bend, Young’s Point, Goodrich’s Landing, Lake Providence, and Transylvania along the west bank of the Mississippi River.

11 May 1863: Brigadier-General Elias Smith Dennis assumed command of the District of Northeast Louisiana.        

28 July 1863: Colonel Isaac Fitzgerald Shepard assumed command of the District of Northeast Louisiana, succeeding Brigadier-General Elias Smith Dennis.

18 August 1863: Brigadier-General John Parker Hawkins assumed command of the District of Northeast Louisiana, succeeding Colonel Isaac Fitzgerald Shepard.

7 February 1864: The District of Northeast Louisiana was discontinued.

Northern District of Louisiana

9 February 1865-17 May 1865

Francis Jay Herron 9 February 1865-27 June 1865

9 February 1865: The Northern District of Louisiana was established in the Department of the Gulf.

9 February 1865: Brigadier-General Francis Jay Herron assumed command of the Northern District of Louisiana.

11 February 1865: The District of Morganza transferred to the Northern District of Louisiana.

13 February 1865: The District of Baton Rouge was re-established and transferred to the Northern District of Louisiana.

13 February 1865: The District of Port Hudson was re-established and transferred to the Northern District of Louisiana in the Department of the Gulf.

27 June 1865: The District of Morganza was discontinued.

27 June 1865: The District of Baton Rouge transferred from the Department of the Gulf to the Department of Louisiana.

27 June 1865: The Northern District of Louisiana was discontinued.

Southern District of Louisiana

11 February 1865-27 June 1865

Thomas West Sherman 11 February 1865-27 June 1865

11 February 1865: The Southern District of Louisiana was established.

11 February 1865: Brigadier-General Thomas West Sherman assumed command of the Southern District of Louisiana.

11 February 1865: The District of Carrollton transferred to the Southern District of Louisiana.

11 February 1865: The District of La Fourche transferred to the Southern District of Louisiana.

17 May 1865: Brigadier-General Thomas West Sherman retained command of the Southern District of Louisiana.

27 June 1865: The District of Carrollton was discontinued.

27 June 1865: The District of La Fourche was discontinued.

27 June 1865: The Southern District of Louisiana was discontinued.

Western District of Louisiana

27 June 1865-20 July 1865

John Parker Hawkins 27 June 1865-20 July 1865

27 June 1865: The Western District of Louisiana was established in the Department of Louisiana. It comprised the part of Louisiana west of the Mississippi River.

27 June 1865: Brigadier-General John Parker Hawkins assumed command of the Western District of Louisiana.

20 July 1865: The Western District of Louisiana was discontinued.

District of Louisville, Kentucky

24 August 1862-17 November 1862

Jeremiah Tilford Boyle 24 August 1862-17 November 1862

24 August 1862: The District of Louisville was established in the Department of the Ohio, comprising the territory round Louisville, Kentucky.

24 August 1862: Brigadier-General Jeremiah Tilford Boyle assumed command of the District of Louisville.

17 November 1862: The District of Louisville was discontinued, and its area incorporated into the District of Western Kentucky.

District of Lynchburg, Virginia

25 March 1865-13 July 1865

John Irvin Gregg 25 March 1865-13 July 1865

25 March 1865: The District of Lynchburg was established in the Department of Virginia. It comprised the counties of Nelson, Amherst, Bedford, Campbell, Appomattox, Pittsylvania, Henry and Patrick counties of Virginia.

25 March 1865: Colonel John Irvin Gregg assumed command of the District of Lynchburg.

13 July 1865: The District of Lynchburg was discontinued.

District of Memphis, Tennessee

26 October 1862-15 January 1863

William Tecumseh Sherman 26 October 1862-25 November 1862

Stephen Augustus Hurlbut 25 November 1862-6 January 1863

James Clifford Veatch 6 January 1863-15 January 1863

26 October 1862: The District of Memphis was established in the Department of the Tennessee, comprising Tennessee south of the Hatchie River and west of Bolivar.

26 October 1862: Major-General William Tecumseh Sherman assumed command of the District of Memphis.

25 November 1862: Major-General Stephen Augustus Hurlbut assumed command of the District of Memphis, succeeding Major-General William Tecumseh Sherman.

6 January 1863: Brigadier-General James Clifford Veatch assumed command of the District of Memphis, succeeding Major-General Stephen Augustus Hurlbut.

15 January 1863: The District of Memphis was discontinued and renamed the Sub-District of Memphis to the District of West Tennessee.

Sub-District of Memphis

15 January 1863-28 November 1864

James Clifford Veatch 15 January 1863-25 January 1864

Ralph Pomeroy Buckland 25 January 1864-28 November 1864

15 January 1863: The Sub-District of Memphis established in the District of West Tennessee, comprising the former District of Memphis.

15 January 1863: Brigadier-General James Clifford Veatch retained command of the District of Memphis.

25 January 1864: Brigadier-General Ralph Pomeroy Buckland assumed command of the Sub-District of Memphis, succeeding Brigadier-General James Clifford Veatch.

28 November 1864: The Sub-District of Memphis was discontinued.

District of Michigan

1 October 1864-27 June 1865

Bennett Hoskin Hill 1 October 1864-27 June 1865

1 October 1864: The District of Michigan was established in the Northern Department. It comprised the state of Michigan.

1 October 1864: Lieutenant-Colonel Bennett Hoskin Hill assumed command of the District of Michigan.

27 June 1865: The District of Michigan was discontinued.

District of Minnesota

23 November 1862-31 December 1865

Henry Hastings Sibley 23 November 1862-31 December 1865

23 November 1862: The District of Minnesota was established in the Department of the Northwest, from Second District, Third District and Fourth District of the Department of the Northwest including Fort Snelling, Fort Ridgely, and Fort Abercrombie.

23 November 1862: Brigadier-General Henry Hastings Sibley assumed command of the District of Minnesota.

27 June 1865: The District of Minnesota transferred from the Department of the Northwest to the Department of the Missouri.

27 June 1865: Brigadier-General Henry Hastings Sibley retained command of the District of Minnesota.

District of Mississippi

17 May 1865-27 June 1865

Peter Joseph Osterhaus 17 May 1865-27 June 1865

Henry Warner Slocum 27 June 1865-16 September 1865 interim 18 September 1865

Peter Joseph Osterhaus 16 September 1865-27 June 1865

17 May 1865: The District of Mississippi was established in the Department of Gulf, comprising the state of Mississippi transferred from the Department of the Mississippi.

17 May 1865: Major-General Peter Joseph Osterhaus assumed command of the District of Mississippi.

27 June 1865: The state of Mississippi transferred from the Department of the Gulf to the Department of Mississippi.

27 June 1865: The District of Mississippi was discontinued, and its territory incorporated into the Department of Mississippi.

Northern District of Mississippi

27 June 1865-31 December 1865

Peter Joseph Osterhaus 27 June 1865-31 December 1865

27 June 1865: The Northern District of Mississippi was established in the Department of Mississippi. It comprised the vicinity of Jackson, and all counties east and north of the city.

27 June 1865: Major-General Peter Joseph Osterhaus assumed command of the Northern District of Mississippi.

Southern District of Mississippi

27 June 1865-31 December 1865

John Wynn Davidson 27 June 1865-31 December 1865

27 June 1865: The Southern District of Mississippi was established in the Department of Mississippi. It comprised all counties south of the northern lines of Claiborne, Copiah, Lawrence, Covington, Jones, and Wayne counties in Mississippi.

27 June 1865: Brigadier-General John Wynn Davidson assumed command of the Southern District of Mississippi.

Western District of Mississippi

27 June 1865-31 December 1865

Joseph Adalmorn Maltby 27 June 1865-31 December 1865

27 June 1865: The Western District of Mississippi was established in the Department of Mississippi. It comprised Bolivar, Sunflower, Washington, Yazoo, Issaquena, and Warren counties.

27 June 1865: Brigadier-General Joseph Adalmorn Maltby assumed command of the Western District of Mississippi.

District of the Mississippi

27 February 1862-16 June 1862

John Pope 27 February 1862-21 April 1862

Isaac Ferdinand Quinby 21 April 1862-16 June 1862

27 February 1862: The District of the Mississippi was established in the Department of the Missouri, comprising the parts of Missouri between the Saint Francis River and the Mississippi River.

27 February 1862: Brigadier-General John Pope assumed command of the District of the Mississippi.

27 February 1862: The Army of the Mississippi transferred to the District of the Mississippi.

11 March 1862: The Army of the Mississippi transferred from the District of the Mississippi to the Department of the Mississippi.

21 April 1862: Brigadier-General Isaac Ferdinand Quinby assumed command of the District of the Mississippi, succeeding Major-General John Pope.

16 June 1862: The District of the Mississippi was discontinued, and its territory transferred the District of West Tennessee.

District of Missouri #1

1 June 1862-26 September 1862

John McAllister Schofield 1 June 1862-26 September 1862

1 June 1862: The District of Missouri was established in the Department of the Mississippi, comprising the state of Missouri except for Mississippi, New Madrid, and Pemiscut counties.

1 June 1862: Brigadier-General John McAllister Schofield assumed command of the District of Missouri.

19 September 1862: The District of Missouri transferred from the Department of the Mississippi to the Department of the Missouri.

26 September 1862: The District of Missouri was discontinued, and its territory transferred to the District of Central Missouri.

District of Missouri #2

10 July 1865-22 August 1865

James Alexander Williamson 10 July 1865-21 July 1865

Thomas Church Haskell Smith 21 July 1865-22 August 1865

10 July 1865: The District of Missouri was established in the Department of the Missouri. It consisted of the territories previously in the District of St Louis, the District of Central Missouri, and the District of Rolla.

10 July 1865: Brigadier-General James Alexander Williamson assumed command of the District of Missouri.

21 July 1865: Brigadier-General Thomas Church Haskell Smith assumed command of the District of Missouri, succeeding Brigadier-General James Alexander Williamson.

22 August 1865: The District of Missouri was discontinued.

District of Central Missouri #1

3 December 1861-1 June 1862

John Pope 3 December 1861-12 February 1862

James Totten 12 February 1862-1 June 1862

3 December 1861: The District of Central Missouri was established in the Department of the Missouri, comprising the region between the Missouri and Osage Rivers in Missouri.

3 December 1861: Brigadier-General John Pope assumed command of the District of Central Missouri.

3 December 1861: The Army of Western Missouri was established in the District of Central Missouri.

12 February 1862: The Army of Western Missouri was discontinued.

12 February 1862: Lieutenant-Colonel James Totten assumed command of the District of Central Missouri, succeeding Brigadier-General John Pope.

1 June 1862: The District of Central Missouri was discontinued, and incorporated into the District of Missouri.

District of Central Missouri #2

26 September 1862-10 July 1865

Benjamin Franklin Loan 26 September 1863-8 June 1863

Egbert Benson Brown 9 June 1863-23 July 1864

Alfred Pleasonton 24 July 1864-2 September 1864

Egbert Benson Brown 3 September 1864-2 November 1864

John Finis Philips 3 November 1864-26 February 1865

John McNeil 27 February 1865-11 April 1865

Chester Harding 12 April 1865-25 June 1865

John Lourie Beveridge 26 June 1865-10 July 1865

26 September 1862: The District of Central Missouri was established in the Department of the Missouri, comprising the region of Missouri between the Missouri and Osage Rivers.

26 September 1862: State Brigadier-General Benjamin Franklin Loan assumed command of the District of Central Missouri.

9 June 1863: Brigadier-General Egbert Benson Brown assumed command of the District of Central Missouri, succeeding Colonel Benjamin Franklin Loan.

24 July 1864: Major-General Alfred Pleasonton assumed command of the District of Central Missouri, succeeding Brigadier-General Egbert Benson Brown.

3 September 1864: Brigadier-General Egbert Benson Brown assumed command of the District of Central Missouri, succeeding Major-General Alfred Pleasonton.

3 November 1864: Colonel John Finis Philips assumed command of the District of Central Missouri, succeeding Brigadier-General Egbert Benson Brown.

27 February 1865: Brigadier-General John McNeil assumed command of the District of Central Missouri, succeeding Colonel John Finis Philips.

12 April 1865: State Colonel Chester Harding assumed command of the District of Central Missouri, succeeding Brigadier-General John McNeil.

26 June 1865: Colonel John Lourie Beveridge assumed command of the District of Central Missouri, succeeding State Colonel Chester Harding.

10 July 1865: The District of Central Missouri was discontinued, and its territory transferred to the District of Missouri.

District of North Missouri #1

29 July 1861-9 November 1861

John Pope 29 July 1861-9 November 1861

29 July 1861: The District of North Missouri was established in the Western Department, comprising the territory of Hannibal, Mexico, Warrenton and Renick, Missouri.

29 July 1861: Brigadier-General John Pope assumed command of the District of North Missouri.

9 November 1861: The District of North Missouri was discontinued.

District of North Missouri #2

26 November 1861-11 March 1862

Benjamin Mayberry Prentiss 26 November 1861-26 December 1861

John McAllister Schofield 26 December 1861-11 March 1862

26 November 1861: The District of North Missouri was re-established in the Department of the Missouri, comprising the territory of the state north of the Missouri River.

26 November 1861: Brigadier-General Benjamin Mayberry Prentiss assumed command of the District of North Missouri.

26 December 1861: Brigadier-General John McAllister Schofield assumed command of the District of North Missouri, succeeding Brigadier-General Benjamin Mayberry Prentiss.

11 March 1862: The District of North Missouri was discontinued, and incorporated into the District of Northwest Missouri.

District of North Missouri #3

6 July 1863-1 July 1865

Odon Guitar 6 July 1863-5 April 1864

Clinton Bowen Fisk 6 April 1864-24 May 1865

Vacant 25 May 1865-27 May 1865

George Spalding 28 May 1865-1 July 1865

6 July 1863: The District of North Missouri was established in the Department of the Missouri, comprising the territory of the state north of the Missouri River.

6 July 1863: State Brigadier-General Odon Guitar assumed command of the District of North Missouri.

6 April 1864: Brigadier-General Clinton Bowen Fisk assumed command of the District of North Missouri, succeeding State Brigadier-General Odon Guitar.

25 May 1865: Command of the District of North Missouri became vacant.

28 May 1865: Colonel George Spalding assumed command of the District of North Missouri, succeeding Brigadier-General Clinton Bowen Fisk.

1 July 1865: The District of North Missouri was discontinued.

District of Northeast Missouri #1

12 March 1862-4 June 1862

John Montgomery Glover 12 March 1862-4 June 1862

12 March 1862: The District of Northeast Missouri was established in the Department of the Missouri, comprising the state of Missouri north of Randolph County and east of Linn County.

12 March 1862: Colonel John Montgomery Glover assumed command of the District of Northeast Missouri.

4 June 1862: The District of Northeast Missouri was discontinued, and incorporated into the District of Missouri.

District of Northeast Missouri #2

27 September 1862-7 February 1864

Lewis Merrill 27 September 1862-26 January 1863

Thomas Jefferson McKean 26 January 1863-12 March 1863

Thomas Alfred Davies 12 March 1863-7 February 1864

27 September 1862: The District of Northeast Missouri was established in the Department of the Missouri, from the District of Missouri and comprising the posts of Sturgeon, Fayette, Paris, Canton, Kirkesville, Macon, Palmyra, Columbia, Fulton, Hannibal, and Warrenton.

27 September 1862: Colonel Lewis Merrill assumed command of the District of Northeast Missouri.

26 January 1863: Brigadier-General Thomas Jefferson McKean assumed command of the District of Northeast Missouri, succeeding Colonel Lewis Merrill.

12 March 1863: Brigadier-General Thomas Alfred Davies assumed command of the District of Rolla, succeeding Colonel John Montgomery Glover.

7 February 1864: The District of Northeast Missouri was discontinued in the Department of the Missouri.

District of Northwest Missouri

12 March 1862-6 July 1863

Benjamin Franklin Loan 12 March 1862-4 June 1862,

Vacant 4 June 1862-13 August 1862

Willard Preble Hall 23 August 1862-9 April 1863

Chester Harding 10 April 1863-22 June 1863

Willard Preble Hall 23 June 1863-6 July 1863

12 March 1862: The District of Northwest Missouri was established in the Department of the Missssippi, comprising the state of Missouri north of the Missouri River and west of the eastern boundary of Linn County.

12 March 1862: Missouri State Brigadier-General Benjamin Franklin Loan assumed command of the District of Northwest Missouri.

4 June 1862: Command of the District of Northwest Missouri became vacant.

23 August 1862: State Brigadier-General Willard Preble Hall assumed command of the District of Northwest Missouri, succeeding a vacancy after State Brigadier-General Benjamin Franklin Loan.

19 September 1862: The District of Northwest Missouri transferred from the Department of the Mississippi to the Department of the Missouri.

19 September 1862: Colonel Willard Preble Hall retained command of the District of Northwest Missouri.

10 April 1863: Colonel Chester Harding assumed command of the District of Northwest Missouri, succeeding Colonel Willard Preble Hall.

23 June 1863: State Brigadier-General Willard Preble Hall assumed command of the District of Northwest Missouri, succeeding Colonel Chester Harding.

6 July 1863: The District of Northwest Missouri was discontinued, and incorporated into the District of North Missouri.

District of Southeast Missouri #1

1 September 1861-11 May 1862

Ulysses Simpson Grant 1 September 1861-1 March 1862

Frederick Steele 1 March 1862-11 May 1862

1 September 1861: The District of Southeast Missouri was established in the Western Department, comprising Bird’s Point, Missouri and Cairo and Mound City, Illinois.

1 September 1861: Brigadier-General Ulysses Simpson Grant assumed command of the District of Southeast Missouri.

9 November 1861: The District of Southeast Missouri transferred from the Western Department to the Department of the Missouri, comprising the vicinity of Cairo, Illinois, and Ironton, Jefferson City and Cape Girardeau, Missouri.

9 November 1861: Brigadier-General Ulysses Simpson Grant retained command of the District of Southeast Missouri.

1 March 1862: Brigadier-General Frederick Steele assumed command of the District of Southeast Missouri, succeeding Major-General Ulysses Simpson Grant.

2 May 1862: The District of Southeast Missouri transferred to the operational command of the District of Southwest

11 May 1862: The District of Southeast Missouri was discontinued.

District of Southeast Missouri #2

16 June 1863-30 November 1863

John Wynn Davidson 16 June 1863-19 July 1863

Clinton Bowen Fisk 20 July 1863-30 November 1863

16 June 1863: The District of Southeast Missouri was established in the Department of the Missouri, comprising part of the District of St Louis south of a line running east through Steeleville, including Cape Girardeau, Centreville, Fredericktown, Ironton, New Madrid, Patterson, and Pilot Knob, Missouri. Its territory was taken from the District of St Louis.

16 June 1863: Brigadier-General John Wynn Davidson assumed command of the District of Southeast Missouri.

20 July 1863: Brigadier-General Clinton Bowen Fisk assumed command of the District of Southeast Missouri, succeeding Brigadier-General John Wynn Davidson.

30 November 1863: The District of Southeast Missouri was discontinued.

District of Southwest Missouri

25 December 1861-10 July 1865

Samuel Ryan Curtis 25 December 1861-4 June 1862

Egbert Benson Brown 4 June 1862-23 September 1862

John McAllister Schofield 24 September 1862-9 November 1862

Egbert Benson Brown 10 November 1862-29 March 1863

John McAllister Schofield 30 March 1863-23 May 1863

William Fletcher Cloud temporary 24 May 1863-14 June 1863,

John McNeil 15 June 1863-14 October 1863

John Benjamin Sanborn 15 October 1863-8 December 1864

Joseph Jackson Gravely temporary 9 December 1864-8 January 1865

John Benjamin Sanborn 9 January 1865-9 June 1865

John D Allen temporary 10 June 1865-18 June 1865

Thomas Jefferson McKean 19 June 1865-10 July 1865

25 December 1861: The District of Southwest Missouri was established in the Department of the Missouri, comprising the state of Missouri south of the Osage River and west of the Meramec River.

25 December 1861: Brigadier-General Samuel Ryan Curtis assumed command of the District of Southwest Missouri. 25 December 1861: The Army of the Southwest “Army of Southwest Missouri” was established in the District of Southwest Missouri.

2 May 1862: The District of Southeast Missouri transferred to the operational command of the District of Southwest Missouri.

11 May 1862: The District of Southeast Missouri was discontinued.

4 June 1862: State Brigadier-General Egbert Benson Brown assumed command of the District of Southwest Missouri, succeeding Major-General Samuel Ryan Curtis.

19 September 1862: The District of Southwest Missouri was reorganised to comprise the counties of Vernon, Barton, Jasper, Newton, McDonald, Cedar, Dade, Lawrence, Barry, Polk, Green, Christian, Stone, Taney, Ozark, Douglas, Webster, Wright, La Clede and parts of Hickory and St Clair in Missouri.

19 September 1862: State Brigadier-General Egbert Benson Brown retained command of the District of Southwest Missouri.

19 September 1862: The Army of the Southwest transferred from the District of Southwest Missouri to the Department of the Missouri.

24 September 1862: Brigadier-General John McAllister Schofield assumed command of the District of Southwest Missouri, succeeding State Brigadier-General Egbert Benson Brown.

10 November 1862: State Brigadier-General Egbert Benson Brown assumed command of the District of Southwest Missouri, succeeding Major-General John McAllister Schofield.

30 March 1863: The District of Southwest Missouri was extended southwards to the Arkansas River.

30 March 1863: Brigadier-General John McAllister Schofield assumed command of the District of Southwest Missouri, succeeding Brigadier-General Egbert Benson Brown.

24 May 1863: Colonel William Fletcher Cloud assumed temporary command of the District of Southwest Missouri, succeeding Major-General John McAllister Schofield.

9 June 1863:The counties of Vernon, Barton, Jasper, Newton, and McDonald transferred from the District of Southwest Missouri to the District of the Frontier.

15 June 1863: Brigadier-General John McNeil assumed command of the District of Southwest Missouri, succeeding Colonel William Fletcher Cloud.

15 July 1863: The counties of Vernon, Barton, Jasper, Newton, and McDonald transferred from the District of the Frontier to the District of Southwest Missouri.

15 October 1863: Brigadier-General John Benjamin Sanborn assumed command of the District of Southwest Missouri, succeeding Brigadier-General John McNeil.

18 August 1864: The southern border of the District of Southwest Missouri was redefined as the Missouri-Arkansas state line.

9 December 1864: Colonel Joseph Jackson Gravely assumed temporary command of the District of Southwest Missouri, succeeding Brigadier-General John Benjamin Sanborn.

26 December 1864: The northern border of the District of Southwest Missouri was re-defined as the Osage River.

9 January 1865: Brigadier-General John Benjamin Sanborn assumed command of the District of Southwest Missouri, succeeding Colonel Joseph Jackson Gravely.

10 June 1865: Colonel John D Allen assumed temporary command of the District of Southwest Missouri, succeeding Brigadier-General John Benjamin Sanborn.

19 June 1865: Brigadier-General Thomas Jefferson McKean assumed command of the District of Southwest Missouri, succeeding Colonel John D Allen.

10 July 1865: The District of Southwest Missouri was discontinued.

Sub-District of Mobile, Alabama

3 June 1865-27 June 1865

Christopher Columbus Andrews 3 June 1865-11 June 1865

Thomas Kilby Smith 12 June 1865-27 June 1865

3 June 1865: The Sub-District of Mobile was established in the District of Alabama. It comprised the territory round Mobile, Alabama.

3 June 1865: Brigadier-General Christopher Columbus Andrews assumed command of the Sub-District of Mobile.

12 June 1865: Brigadier-General Thomas Kilby Smith assumed command of the Sub-District of Mobile, succeeding Brigadier-General Christopher Columbus Andrews.

27 June 1865: The Sub-District of Mobile was discontinued, and incorporated into the Department of Alabama.

District of the Monongahela, Pennsylvania

27 June 1864-27 June 1865

Thomas Algeo Rowley 27 June 1864-29 December 1864

Greenlief P Davis 29 December 1864-27 June 1865

27 June 1864: District of the Monongahela was established in the Department of the Susquehanna, comprising the state of Pennsylvania west of Laurel Hill and Columbiana, Belmont and Jefferson counties in Ohio.

27 June 1864: Brigadier-General Thomas Algeo Rowley assumed command of the District of the Monongahela.

1 December 1864: The District of the Monongahela transferred from the Department of the Susquehanna to the Department of Pennsylvania. It consisted of the state of Pennsylvania west of laurel Hill and the counties of Columbiana, Belmont and Jefferson in Ohio.

1 December 1864: Brigadier-General Thomas Algeo Rowley retained command of the District of the Monongahela.

29 December 1864: Captain Greenlief P Davis assumed command of the District of the Monongahela, succeeding Brigadier-General Thomas Algeo Rowley.

27 June 1865: The District of the Monongahela was discontinued.

District of Morganza, Louisiana

22 May 1864-27 June 1865

William Hemsley Emory 22 May 1864-15 June 1864

Joseph Jones Reynolds 16 June 1864-4 July 1864

Michael Kelly Lawler 5 July 1864-29 October 1864

George Francis McGinnis 30 October 1864-22 November 1864

Daniel Ullmann 23 November 1864-25 February 1865

Henry William Fuller 26 February 1865

Edmund Jackson Davis 27 February 1865-1 March 1865

Thomas Jefferson McKean 2 March 1865-26 April 1865

William Henry Dickey 27 April 1865-27 June 1865

22 May 1864: The District of Morganza was established in the Department of the Gulf.

22 May 1864: Brigadier-General William Hemsley Emory assumed command of the District of Morganza.

16 June 1864: Major-General Joseph Jones Reynolds assumed command of the District of Morganza, succeeding Brigadier-General William Hemsley Emory.

5 July 1864: Brigadier-General Michael Kelly Lawler assumed command of the District of Morganza, succeeding Major-General Joseph Jones Reynolds.

30 October 1864: Brigadier-General George Francis McGinnis assumed command of the District of Morganza, succeeding Brigadier-General Michael Kelly Lawler.

23 November 1864: Brigadier-General Daniel Ullmann assumed command of the District of Morganza, succeeding Brigadier-General George Francis McGinnis.

11 February 1865: The District of Morganza transferred to the Northern District of Louisiana.

11 February 1865: Brigadier-General Daniel Ullmann retained command of the District of Morganza.

26 February 1865: Colonel Henry William Fuller assumed command of the District of Morganza, succeeding Brigadier-General Daniel Ullmann.

27 February 1865: Brigadier-General Edmund Jackson Davis assumed command of the District of Morganza, succeeding Colonel William Henry Fuller.

2 March 1865: Brigadier-General Thomas Jefferson McKean assumed command of the District of Morganza, succeeding Brigadier-General Edmund Jackson Davis.

27 April 1865: Colonel William Henry Dickey assumed command of the District of Morganza, succeeding Brigadier-General Thomas Jefferson McKean.

27 June 1865: The District of Morganza was discontinued.

District of Nashville, Tennessee

10 November 1863-30 May 1864

Lovell Harrison Rousseau 10 November 1863-30 May 1864

10 November 1863: The District of Nashville was established in the Department of the Cumberland. It included the defences of the Louisville & Nashville Railroad, the Nashville & Northwestern Railroad, the Nashville & Chattanooga Railroad as far as the Duck River, the Nashville & Columbia Railroad and Nashville, Clarksville, McMinnville, and Fort Donelson.

10 November 1863: Major-General Lovell Harrison Rousseau assumed command of the District of Nashville.

30 May 1864: The District of Nashville was discontinued, and its territory incorporated into the District of Tennessee.

District of Natchez, Mississippi

3 January 1865-3 June 1865

John Wynn Davidson 3 January 1865-3 June 1865

3 January 1865: The District of Natchez was established in the Department of the Mississippi, comprising the territories east and west of the Mississippi River north of the Red River and south of the 32 parallel. It was detached from the District of Vicksburg.

3 January 1865: Brigadier-General John Wynn Davidson assumed command of the District of Natchez.

3 June 1865: The District of Natchez was discontinued.

District of Nebraska Territory

2 November 1862-28 March 1865

James Craig 2 November 1862-4 May 1863

William Fletcher Sapp temporary 5 May 1863-3 June 1863

Thomas Jefferson McKean 4 June 1863-27 February 1864

Robert Byington Mitchell 28 February 1864-28 March 1865

2 November 1862: The District of Nebraska Territory was established in the Department of the Missouri.

2 November 1862: Brigadier-General James Craig assumed command of the District of Nebraska Territory.

5 May 1863: Lieutenant-Colonel William Fletcher Sapp assumed temporary command of the District of Nebraska Territory, succeeding Brigadier-General James Craig.

4 June 1863: Brigadier-General Thomas Jefferson McKean assumed command of the District of Nebraska Territory, succeeding Lieutenant-Colonel William Fletcher Sapp.

1 January 1864: The District of Nebraska Territory transferred from the Department of the Missouri to the Department of Kansas. It included the Nebraska Territory and Julesburg, Colorado Territory.

1 January 1864: Brigadier-General Thomas Jefferson McKean retained command of the District of Nebraska Territory.

28 February 1864: Brigadier-General Robert Byington Mitchell assumed command of the District of Nebraska Territory, succeeding Brigadier-General Thomas Jefferson McKean.

30 January 1865: The District of Nebraska Territory transferred from the Department of Kansas to the Department of the Missouri.

30 January 1865: Brigadier-General Robert Byington Mitchell retained command of the District of Nebraska Territory.

28 March 1865: The District of Nebraska Territory was discontinued, and its territory incorporated into the District of the Plains.

District of the Neuse, North Carolina

23 April 1863-27 April 1863

Henry Morris Naglee 23 April 1863-27 April 1863

23 April 1863: The District of the Neuse was established in the Department of North Carolina, comprising the stations of the Atlantic & North Carolina Railroad outside New Bern, North Carolina.

23 April 1863: Brigadier-General Henry Morris Naglee assumed command of the District of the Neuse.

27 April 1863:The District of the Neuse was discontinued and renamed the District of Beaufort North Caroliona.

Defences of New Bern, North Carolina

21 July 1863-5 March 1864

Charles Adam Heckman 21 July 1863-14 August 1863

Innis Newton Palmer 14 August 1863-6 October 1863

Thomas Jonathan Coffin Amory 7 October 1863-8 November 1863

Innis Newton Palmer 9 November 1863-5 March 1864

21 July 1863: The Defences of New Bern was established in the Department of Virginia and North Carolina, comprising the vicinity of New Bern, North Carolina.

21 July 1863: Brigadier-General Charles Adam Heckman assumed command of the Defences of New Bern.

14 August: 1863: The Defences of New Bern transferred to the District of North Carolina.

14 August: 1863: Brigadier-General Innis Newton Palmer assumed command of the Defences of New Bern, succeeding Brigadier-General Charles Adam Heckman.

7 October 1863: Colonel Thomas Jonathan Coffin Amory assumed command of the Defences of New Bern, succeeding Brigadier-General Innis Newton Palmer.

9 November 1863: Brigadier-General Innis Newton Palmer assumed command of the Defences of New Bern, succeeding Colonel Thomas Jonathan Coffin Amory.

5 March 1864: The Defences of New Bern was discontinued, and renamed as the Sub-District of New Bern.

District of New Bern, North Carolina

6 July 1865-31 December 1865

Charles Jackson Paine 6 July 1865-31 December 1865

6 July 1865: The District of New Bern was re-established in the Department of North Carolina. It comprised the counties of Hertford, Bertie, Martin, Pitt, Greene, Lenoir, Jones and Onslow and all counties east of them in North Carolina.

6 July 1865: Brigadier-General Charles Jackson Paine assumed command of the District of New Bern.

Sub-District of New Bern, North Carolina

5 March 1864-21 October 1864

Innis Newton Palmer 5 March 1864-24 April 1864

Thomas Jonathan Coffin Amory 25 April 1864-2 May 1864

Edward Harland 3 May 1864-21 October 1864

5 March 1864: The Sub-District of New Bern was established in the District of North Carolina comprising the former Defences of New Bern transferred from the Department of North Carolina.

5 March 1864: Brigadier-General Innis Newton Palmer retained command of the Sub-District of New Bern.

25 April 1864: Colonel Thomas Jonathan Coffin Amory assumed command of the Sub-District of New Bern, succeeding Brigadier-General Innis Newton Palmer.

3 May 1864: Brigadier-General Edward Harland assumed command of the Sub-District of New Bern, succeeding Colonel Thomas Jonathan Coffin Amory.

21 October 1864: The Sub-District of New Bern transferred from the District of North Carolina to the Department of Virginia and North Carolina.

Sub-District of New Bern, Virginia

18 January 1865-31 January 1865

Edward Harland 18 January 1865-31 January 1865

18 January 1865: The Sub-District of New Bern transferred from the Department of Virginia and North Carolina to the Department of Virginia.

18 January 1865: Brigadier-General Edward Harland retained command of the Sub-District of New Bern.

31 January 1865: The Sub-District of New Bern was discontinued, and its territory transferred to the District of North Carolina.

Sub-District of New Bern, Virginia and North Carolina

21 October 1864-18 January 1865

Edward Harland 21 October 1864-31 January 1865

21 October 1864: The Sub-District of New Bern transferred from the District of North Carolina to the Department of Virginia and North Carolina.

21 October 1864: Brigadier-General Edward Harland retained command of the Sub-District of New Bern.

18 January 1865: The Sub-District of New Bern transferred from the Department of Virginia and North Carolina to the Department of Virginia.

Central and Northern District of New Mexico

16 April 1862-16 June 1862

Benjamin Stone Roberts 16 April 1862-16 June 1862

16 April 1862: The Central and Northern District of New Mexico was established in the Department of New Mexico, comprising the territory north of Albuquerque, New Mexico.

16 April 1862: Colonel Benjamin Stone Roberts assumed command of the Central and Northern District of New Mexico.

16 June 1862: The Central and Northern District of New Mexico was discontinued.

Southern District of New Mexico

8 August 1861-16 April 1862

Benjamin Stone Roberts 8 August 1861-16 April 1862

8 August 1861: The Southern District of New Mexico was established in the Western Department, comprising all the New Mexico Territory south of Albuquerque.

8 August 1861: Major Benjamin Stone Roberts assumed command of the Southern District of New Mexico.

9 November 1861: The Southern District of New Mexico transferred from the Western Department to the Department of New Mexico.

9 November 1861: Major Benjamin Stone Roberts retained command of the Southern District of New Mexico in the Department of New Mexico.

16 April 1862: The Southern District of New Mexico was discontinued in the Department of New Mexico.

Defences of New Orleans, Louisiana

16 December 1862-9 February 1865

Thomas W Cahill 16 December 1862-8 January 1863

Thomas West Sherman 9 January 1863-24 August 1863

Edward Griffin Beckwith 25 August 1863-5 January 1864

Joseph Jones Reynolds 5 January 1864-15 June 1864

Thomas West Sherman 16 June 1864-9 February 1865

16 December 1862: The Defences of New Orleans was established in the Department of the Gulf, comprising the vicinity of New Orleans, Louisiana.

16 December 1862: Colonel Thomas W Cahill assumed command of the Defences of New Orleans.

9 January 1863: Brigadier-General Thomas West Sherman assumed command of the Defences of New Orleans, succeeding Colonel Thomas W Cahill.

25 August 1863: Colonel Edward Griffin Beckwith assumed command of the Defences of New Orleans, succeeding Brigadier-General Thomas West Sherman.

6 January 1864: Major-General Joseph Jones Reynolds assumed command of the Defences of New Orleans, succeeding Colonel Edward Griffin Beckwith.

16 June 1864: Brigadier-General Thomas West Sherman assumed command of the Defences of New Orleans succeeding Major-General Joseph Jones Reynolds.

9 February 1865: The Defences of New Orleans was discontinued.

District of Northern New York

14 September 1864-27 June 1865

John Cleveland Robinson 14 September 1864-27 June 1865

14 September 1864: The District of Northern New York was established in the Department of the East, comprising Albany, Sacket’s Harbor, Ogdensburg and Champlain, New York.

14 September 1864: Brigadier-General John Cleveland Robinson assumed command of the District of Northern New York.

27 June 1865: The District of Northern New York was discontinued.

District of Western New York

14 September 1865-31 December 1865

Alexander Samuel Diven 14 September 1865-31 December 1865

14 September 1865: The District of Western New York was established in the Department of the East. It comprised Elmira, Rochester, Fort Ontario, Fort Niagara and Fort Porter counties in New York.

14 September 1865: Colonel Alexander Samuel Diven assumed command of the District of Western New York.

District of North Carolina #1

14 August 1863-21 October 1864

John James Peck 14 August 1863-3 January 1864

Innis Newton Palmer 4 January 1864-4 February 1864

John James Peck 5 February 1864-24 April 1864

Innis Newton Palmer 25 April 1864-21 October 1864

14 August 1863: The District of North Carolina was established in the Department of Virginia and North Carolina, comprising the former District of Albemarle, District of the Pamlico, District of Beaufort, and the Defences of New Bern, each of which transferred the District of North Carolina.

14 August 1863: The District of Albemarle was renamed the Sub-District of Albemarle and transferred from the Department of Virginia and North Carolina to the District of North Carolina.

14 August 1863: The District of the Pamlico was renamed the Sub-District of the Pamlico and transferred from the Department of Virginia and North Carolina to the District of North Carolina.

14 August 1863: The District of Beaufort was renamed the Sub-District of Beaufort and transferred from the Department of Virginia and North Carolina to the District of North Carolina.

14 August 1863: The Defences of New Bern transferred from the Department of Virginia and North Carolina to the District of North Carolina.

14 August 1863: Major-General John James Peck assumed command of the District of North Carolina.

4 January 1864: Brigadier-General Innis Newton Palmer assumed command of the District of North Carolina in the Department of Virginia and North Carolina, succeeding Major-General John James Peck.

5 February 1864: Major-General John James Peck assumed command of the District of North Carolina, succeeding Brigadier-General Innis Newton Palmer.

5 March 1864: The Defences of New Bern was renamed as the Sub-District of New Bern.

5 March 1864: The Sub-District of New Bern was established in the District of North Carolina from the Defences of New Bern.

19 April 1864: The Sub-District of Albemarle was discontinued.

25 April 1864: Brigadier-General Innis Newton Palmer assumed command of the District of North Carolina, succeeding Major-General John James Peck.

21 October 1864: The Sub-District of New Bern transferred from the District of North Carolina to the Department of Virginia and North Carolina.

21 October 1864: The Sub-District of Beaufort North Carolina transferred from the District of North Carolina to the Department of Virginia and North Carolina.

21 October 1864: The District of North Carolina was discontinued.

District of North Carolina #2

31 January 1865-1 March 1865

Innis Newton Palmer 31 January 1865-1 March 1865

31 January 1865: The District of North Carolina was re-established in the Department of North Carolina. It comprised the territories of New Bern, Roanoke Island, Beaufort, and Roanoke.

31 January 1865: Brigadier-General Innis Newton Palmer assumed command of the District of North Carolina.

1 March 1865: The District of North Carolina was discontinued.

District of West North Carolina

6 July 1865-1 October 1865

Thomas Tinsley Heath 6 July 1865-1 October 1865

6 July 1865: The District of West North Carolina was established in the Department of North Carolina. It comprised the territory around Morganton, North Carolina.

6 July 1865: Colonel Thomas Tinsley Heath assumed command of the District of West North Carolina.

October 1 19865: The District of West North Carolina was discontinued.

District of the Northern Neck, Virginia

26 April 1865-18 May 1865

Nelson Bowman Sweitzer 26 April 1865-18 May 1865

26 April 1865: The District of the Northern Neck was established in the Department of Washington. It comprised the territory between the Potomac and Rappahannock rivers and south of the Fredericksburg & Aquia Railroad.

26 April 1865: Colonel Nelson Bowman Sweitzer assumed command of District of the Northern Neck.

18 May 1865: The District of the Northern Neck was discontinued and tis territory transferred to the District of Washington.

First District of the Northwest

17 November 1862-1 June 1863

John Cook 17 November 1862-1 June 1863

17 November 1862: The First District of the Department of the Northwest was established. It comprised Iowa and the Dakota Territory.

17 November 1862: Brigadier-General John Cook assumed command of the First District of the Department of the Northwest.

1 June 1863: The First District of the Department of the Northwest was discontinued.

Second District of the Northwest

17 November 1862-23 November 1862

Henry Hastings Sibley 17 November 1862-23 November 1865

17 November 1862: The Second District of the Department of the Northwest was established. It comprised the vicinity of Fort Snelling, Minnesota.

17 November 1862: Brigadier-General Henry Hastings Sibley assumed command of the Second District of the Department of the Northwest.

23 November 1862: The Second District of the Department of the Northwest was discontinued, and renamed the District of Minnesota.

Third District of the Northwest

17 November 1862-27 November 1862

Minor T Thomas 17 November 1862-27 November 1862

17 November 1862: The Third District of the Department of the Northwest was established. It comprised the vicinity of Fort Ripley, Minnesota.

17 November 1862: Colonel Minor T Thomas assumed command of the Third District of the Department of the Northwest.

27 November 1862: The Third District of the Department of the Northwest was discontinued and incorporated into the District of Minnesota.

Fourth District of the Northwest

17 November 1862-27 November 1862

Francis Peteler 17 November 1862-27 November 1862

17 November 1862: The Fourth District of the Department of the Northwest was established. It comprised the vicinity of Fort Abercrombie, Minnesota.

17 November 1862: Lieutenant-Colonel Francis Peteler assumed command of the Fourth District of the Department of the Northwest.

27 November 1862: The Fourth District of the Department of the Northwest was discontinued and incorporated into the District of Minnesota.

District of the Nottoway, Virginia

22 May 1865-1 August 1865

George Lucas Hartsuff 22 May 1865-1 August 1865

22 May 1865: The District of the Nottoway was established in the Department of Virginia. It comprised the counties south of Petersburg.

22 May 1865: Major-General George Lucas Hartsuff assumed command of the District of the Nottoway.

25 May 1865: The Sub-District of The Blackwater was established in the District of the Nottoway. It comprised the counties of Sussex, Surrey, Greenville, Brunswick, Dinwiddie, and Price George in Virginia.

25 May 1865: The Sub-District of Roanoke was established in the District of the Nottoway. It comprised the counties of Mecklenburg, Lunenburg, Prince Edward, Nottoway, Charlotte, and Halifax in Virginia.

25 May 1865: The Sub-District of the Appomattox was established in the District of Nottoway in the Department of Virginia. It comprised the counties of Chesterfield, Amelia, Powhatan, Cumberland, and Buckingham in Virginia.

1 August 1865: The Sub-District of The Blackwater transferred from the District of the Nottoway to the Department of Virginia.

1 August 1865: The Sub-District of the Appomattox transferred from the District of the Nottoway to the Department of Virginia.

1 August 1865: The District of the Nottoway was discontinued.

District of Ohio

6 April 1863-16 November 1863

John Sanford Mason 6 April 1863-14 April 1863

Jacob Dolson Cox 14 April 1863-16 November 1863

6 April 1863: The District of Ohio was established in the Department of the Ohio, comprising the state of Ohio.

6 April 1863: Brigadier-General John Sanford Mason assumed command of the District of Ohio.

14 April 1863: Major-General Jacob Dolson Cox assumed command of the District of Ohio, succeeding Brigadier-General John Sanford Mason.

3 June 1863: Columbiana, Jefferson and Belmont counties, Ohio, transferred from the District of Ohio to the Department of the Monongahela.

3 June 1863: Gallipolis, Ohio, transferred from the Department of the Ohio to the Middle Department.

24 June 1863: The Ohio counties south of Belmont and neighbouring western Virginia transferred from the Department of the Ohio to the Department of West Virginia.

16 November 1863: The District of Ohio was discontinued.

District of the Ohio

19 March 1862-24 October 1862

Don Carlos Buell 19 March 1862-24 October 1862

19 March 1862: The District of the Ohio was established in the Department of the Mississippi, comprising the territory east of the Tennessee River in Kentucky and Tennessee except for Fort Henry and Fort Donelson.

19 March 1862: Brigadier-General Don Carlos Buell assumed command of the District of the Ohio.

16 July 1862: The District of the Ohio transferred from the Department of the Mississippi to the War Department.

16 July 1862: Major-General Don Carlos Buell retained command of the District of the Ohio.

24 October 1862: The District of the Ohio was discontinued, and its territory incorporated into the Department of the Cumberland.

District of Oregon

15 January 1861-27 June 1865

George Wright 15 January 1861-12 September 1861

Benjamin Lloyd Beall temporary 13 September 1861-4 May 1862

Albemarle Cady 5 May 1862-8 July 1862

Julius Steinburger temporary 5 May 1862-8 July 1862

Benjamin Alvord 9 July 1862-22 March 1865

Reuben F Maury temporary 23 March 1865-27 June 1865

15 January 1861: The District of Oregon was established in the Department of the Pacific, comprising the state of Oregon and Washington Territory except for the territories of the Rogue and Umpqua Rivers.

15 January 1861: Colonel George Wright assumed command of the District of Oregon.

13 September 1861: Lieutenant-Colonel Benjamin Lloyd Beall assumed temporary command of the District of Oregon, succeeding Colonel George Wright.

23 October 1861: Lieutenant-Colonel Albemarle Cady assumed command of the District of Oregon, succeeding Colonel Benjamin Lloyd Beall.

5 May 1862: Colonel Justus Steinburger assumed temporary command of the District of Oregon, succeeding Lieutenant-Colonel Albemarle Cady.

9 July 1862: Brigadier-General Benjamin Alvord assumed command of the District of Oregon, succeeding Colonel Justus Steinburger.

4 March 1863: The territory of Idaho Territory was added to the District of Oregon.

20 August 1863: Soda Springs, Idaho Territory, transferred to the District of Utah.

14 March 1865: The District of Oregon was extended to include the entire state of Oregon, including the Rogue and Umpqua River areas.

23 March 1865: Lieutenant-Colonel Reuben F Maury assumed temporary command of the District of Oregon, succeeding Brigadier-General Benjamin Alvord.

27 June 1865: The District of Oregon was discontinued.

District of the Pamlico, North Carolina

23 April 1863-14 August 1863

Henry Prince 23 April 1863-15 July 1863

Joseph Miller McChesney temporary 15 July 1863-30 July 1863

Orson E Moulton temporary 31 July 1863-14 August 1863

23 April 1863: The District of the Pamlico was established in the Department of North Carolina, comprising Washington, North Carolina, Hatteras Inlet, and the surrounding areas.

23 April 1863: Brigadier-General Henry Prince assumed command of the District of the Pamlico.

27 April 1863: The District of the Pamlico was redefined to include Craven County north of the Neuse River except for Fort Anderson; and the counties of Pitt, Beaufort, and Hyde.

15 July 1863: The District of the Pamlico transferred from the Department of North Carolina to the Department of Virginia and North Carolina.

15 July 1863: Colonel Joseph Miller McChesney assumed temporary command of the District of the Pamlico, succeeding Brigadier-General Henry Prince.

31 July 1863: Lieutenant-Colonel Orson E Moulton assumed temporary command of the District of the Pamlico, succeeding Colonel Joseph Miller McChesney.

14 August 1863: The District of the Pamlico was renamed the Sub-District of the Pamlico in the District of North Carolina.

Sub-District of the Pamlico, North Carolina

14 August 1863-1 May 1864

Orson E Moulton temporary 14 August 1863-7 September 1863

Josiah Pickett 8 September 1863-25 October 1863

Joseph Miller McChesney 26 October 1863-10 March 1864

Edward Harland 11 March 1864-1 May 1864

14 August 1863: The Sub-District of the Pamlico was established in the District of North Carolina from the District of the Pamlico.

14 August 1863: Lieutenant-Colonel Orson E Moulton retained command of the Sub-District of the Pamlico.

8 September 1863: Colonel Josiah Pickett assumed command of the Sub-District of the Pamlico, succeeding Lieutenant-Colonel Orson E Moulton.

26 October 1863: Colonel Joseph Miller McChesney assumed temporary command of the Sub-District of the Pamlico, succeeding Colonel Josiah Pickett.

11 March 1864: Brigadier-General Edward Harland assumed command of the Sub-District of the Pamlico, succeeding Colonel Joseph Miller McChesney.

1 May 1864: The Sub-District of the Pamlico was discontinued.

District of Patuxent, Virginia

26 April 1865-18 May 1865

Henry Horatio Wells 26 April 1865-18 May 1865

26 April 1865: The District of Patuxent was established in the Department of Washington. It comprised the territory between the Potomac and Patuxent of Piscataway Creek.

26 April 1865: Colonel Henry Horatio Wells assumed command of the District of Patuxent.

18 May 1865: The District of Patuxent was discontinued.

District of the Peninsula, Virginia

13 April 1865-27 April 1865

Benjamin Chambers Ludlow 13 April 1865-27 April 1865

13 April 1865: The District of the Peninsula was established in the Department of Virginia. It comprised the territory between the York and James Rivers.

13 April 1865: Lieutenant-Colonel Benjamin Chambers Ludlow assumed command of the District of the Peninsula.

27 April 1865: The District of the Peninsula was discontinued, and renamed the Sub-District of the Peninsula in the District of Eastern Virginia.

Sub-District of the Peninsula, Virginia

19 April 1865-29 August 1865

Benjamin Chambers Ludlow 27 April 1865-29 August 1865

27 April 1865: The Sub-District of the Peninsula was established in the District of Eastern Virginia from the District of the Peninsula. It was bounded in the north by the York and Pamunkey Rivers, in the east by the Chesapeake Bay, in the south by the James River and in the west by the Richmond, Fredericksburg & Potomac Railroad.

27 April 1865: Colonel Benjamin Chambers Ludlow retained command of the Sub-District of the Peninsula.

25 May 1865: The Sub-District of the Peninsula transferred from the District of Eastern Virginia to the District of Fort Monroe. It was redefined to include the counties of Mathews, Gloucester, New Kent, King William, Charles City, James City, York, Warwick, and Elizabeth City in Virginia, except for Fort Monroe.

25 May 1865: Colonel Benjamin Chambers Ludlow retained command of the Sub-District of the Peninsula.

29 August 1865: The Sub-District of the Peninsula was discontinued.

District of Pensacola, Florida

8 August 1862-1 February 1864

Lewis Golding Arnold 8 August 1862-1 October 1862

Neal Dow 2 October 1862-23 January 1863

Isaac Dyer 24 January 1863-20 April 1863

William Cune Holbrook temporary 21 April 1863-8 November 1863

Alexander Asboth 9 November 1863-1 February 1864

8 August 1862: The District of Pensacola was established in the Department of the Gulf, comprising Florida west of the Apalachicola River. The rest of Florida remained in the Department of the South.

8 August 1862: Brigadier-General Lewis Golding Arnold assumed command of the District of Pensacola.

2 October 1862: Brigadier-General Neal Dow assumed command of the District of Pensacola, succeeding Brigadier-General Lewis Golding Arnold.

24 January 1863: Colonel Isaac Dyer assumed command of the District of Pensacola, succeeding Brigadier-General Neal S Dow.

21 April 1863: Colonel William Cune Holbrook assumed temporary command of the District of Pensacola, succeeding Colonel Isaac Dyer.

9 November 1863: Brigadier-General Alexander Asboth assumed command of the District of Pensacola, succeeding Colonel William Cune Holbrook.

1 February 1864: The District of Pensacola was discontinued in the Department of the Gulf and its territory transferred to the District of West Florida in the Department of the South.

District of Philadelphia, Pennsylvania

1 December 1864-15 June 1865

George Cadwalader 1 December 1864-16 December 1864

Orris Sanford Ferry 16 December 1864-15 June 1865

1 December 1864: The District of Philadelphia was established in the Department of Pennsylvania. It comprised Philadelphia and the counties of Bucks, Chester, Delaware, and Montgomery counties of Pennsylvania.

1 December 1864: Major-General George Cadwalader assumed command of the District of Philadelphia.

16 December 1864: Brigadier-General Orris Sanford Ferry assumed command of the District of Philadelphia, succeeding Major-General George Cadwalader.

15 June 1865: The District of Philadelphia was discontinued.

District of the Plains (Utah, Colorado, and Nebraska)

28 March 1865-25 May 1865

Patrick Edward Connor 28 March 1865-25 May 1865

28 March 1865: The District of the Plains was established in the Department of the Missouri. It incorporated the territory of the District of Utah, the District of Colorado, and the District of Nebraska Territory.

28 March 1865: Brigadier-General Patrick Edward Connor assumed command of the District of the Plains.

22 April 1865: Fort Lyon, Colorado Territory, transferred from the District of the Plains to the District of the Upper Arkansas.

25 May 1865: The District of the Plains was discontinued.

District of Port Hudson, Louisiana #1

9 July 1863-6 August 1864

George Leonard Andrews 9 July 1863-12 January 1864

Daniel Ullmann 13 January 1864-22 June 1864

John McNeil 23 June 1864-6 August 1864

9 July 1863: The District of Port Hudson was established in the Department of the Gulf, comprising the vicinity of Port Hudson, Louisiana.

9 July 1863: Brigadier-General George Leonard Andrews assumed command of the District of Port Hudson.

13 January 1864: Brigadier-General Daniel Ullmann assumed command of the District of Port Hudson, succeeding Brigadier-General George Leonard Andrews.

7 May 1864: Brigadier-General Daniel Ullmann retained command of the District of Port Hudson.

23 June 1864: Brigadier-General John McNeil assumed command of the District of Port Hudson, succeeding Brigadier-General Daniel Ullmann.

6 August 1864: The District of Port Hudson was discontinued, and renamed the Sub-District of Port Hudson in the District of Baton Rouge and Port Hudson, in the Department of the Gulf.

District of Port Hudson, Louisiana #2

13 February 1865-24 June 1865

Charles Wilson Drew 13 February 1865-19 February 1865

Cyrus Hamlin 20 February 1865-24 June 1865

13 February 1865: The District of Port Hudson was re-established in the Northern District of Louisiana in the Department of the Gulf.

13 February 1865: Colonel Charles Wilson Drew retained command of the District of Port Hudson.

20 February 1865: Brigadier-General Cyrus Hamlin assumed command of the District of Port Hudson, succeeding Colonel Charles Wilson Drew.

17 May 1865: Brigadier-General Cyrus Hamlin retained command of the District of Port Hudson.

24 June 1865: The District of Port Hudson was discontinued.

Sub-District of Port Hudson, Louisiana

6 August 1864-13 February 1865

George Leonard Andrews 6 August 1864-25 December 1864

Charles Wilson Drew 26 December 1864-13 February 1865

6 August 1864: The Sub-District of Port Hudson was established in the District of Baton Rouge and Port Hudson from the District of Port Hudson.

6 August 1864: Brigadier-General George Leonard Andrews assumed command of the Sub-District of Port Hudson, succeeding Brigadier-General John McNeil.

26 December 1864: Colonel Charles Wilson Drew assumed command of the Sub-District of Port Hudson, succeeding Brigadier-General George Leonard Andrews.

13 February 1865: The Sub-District of Port Hudson was discontinued, and renamed the District of Port Hudson.

District of Port Royal, South Carolina

13 May 1865-27 June 1865

Edward Elmer Potter 13 May 1865-27 June 1865

13 May 1865: The District of Port Royal was established in the Department of the South. It comprised the territories formerly in the District of Beaufort and the District of Hilton Head.

13 May 1865: Brigadier-General Edward Elmer Potter assumed command of the District of Port Royal.

27 June 1865: The District of Port Royal was discontinued.

The Railroad District, Virginia

20 December 1861-26 June 1862

Benjamin Franklin Kelley 20 December 1861-26 June 1862

20 December 1861: The Railroad District was established in the Department of Western Virginia, comprising the territory of the former District of Grafton in the Department of the Ohio and all railroads in western Virginia.

20 December 1861: Brigadier-General Benjamin Franklin Kelley assumed command of the Railroad District.

11 March 1862: The Railroad District transferred from the Department of Western Virginia to the Mountain Department, comprising the lines of the Baltimore & Ohio Railroad in Virginia west of the Allegheny Mountains and was extended to include the vicinity of Grafton, Clarksburg, Parkersburg, and Wheeling, in western Virginia.

11 March 1862: Brigadier-General Benjamin Franklin Kelley retained command of the Railroad District.

26 June 1862: The Railroad District was discontinued.

Sub-District of the Rappahannock, Virginia

25 May 1865-16 July 1865

Edwin Vose Sumner Jr May 25-16 July 1865

25 May 1865: The Sub-District of the Rappahannock was established in the Department of Virginia. It comprised the counties of Middlesex, King and Queen, Essex, Caroline, Spotsylvania, and Orange in Virginia.

25 May 1865: Colonel Edwin Vose Sumner Jr assumed command of the Sub-District of the Rappahannock.

16 July 1865: The Sub-District of the Rappahannock was discontinued, and its territory incorporated into the District of Northeastern Virginia.

District of Raleigh, North Carolina

6 July 1865-31 December 1865

Adelbert Ames 6 July 1865-31 December 1865

6 July 1865: The District of Raleigh was established in the Department of North Carolina. It comprised the vicinity of Raleigh and Goldsboro, North Carolina.

6 July 1865: Brigadier-General Adelbert Ames assumed command of the District of Raleigh.

Sub-District of Roanoke, Virginia

25 May 1865-16 July 1865

Edward Ferrero 25 May 1865-16 July 1865

25 May 1865: The Sub-District of Roanoke was established in the District of the Nottoway. It comprised the counties of Mecklenburg, Lunenburg, Prince Edward, Nottoway, Charlotte and Halifax in Virginia.

25 May 1865: Brigadier-General Edward Ferrero assumed command of the Sub-District of Roanoke.

16 July 1865: The Sub-District of Roanoke was discontinued.

District of Rolla, Missouri

2 November 1862-10 July 1865

John Montgomery Glover 2 November 1862-12 March 1863

Thomas Alfred Davies 13 March 1863-24 March 1864

Odon Guitar 25 March 1864-22 August 1864

John McNeil 23 August 1864-3 October 1864

Albert Sigel 4 October 1864-2 November 1864

John Finis Philips 3 November 1864-27 November 1864

Albert Sigel 28 November 1864-1 December 1864

Edwin C Catherwood 2 December 1864-4 January 1865

Egbert Benson Brown 5 January 1865-7 March 1865

Edwin C Catherwood 8 March 1865-16 March 1865

John Morrill 17 March 1865-10 July 1865

2 November 1862: The District of Rolla was established in the Department of the Missouri. It was bounded in the east of Missouri at 91 degrees west longitude from its intersection with the northern line of Washington county to the southern boundary of Missouri; in the south the Missouri-Arkansas border; in the north, the northern line of Washington county extended westward to the Gasconade River; and in the west the Gasconade River to the western line of Pulaski county and from there southward to the Missouri-Arkansas border.

2 November 1862: Colonel John Montgomery Glover assumed command of the District of Rolla.

13 March 1863: Brigadier-General Thomas Alfred Davies assumed command of the District of Rolla, succeeding Colonel John Montgomery Glover.

30 March 1863: The District of St Louis was reduced when the border with the District of Rolla was drawn as the 91 degree west longitude from the northern line of Washington County south through the counties of Washington, Iron, Reynolds, Centre, and Ripley to the southern border of Missouri.

25 March 1864: Missouri State Brigadier-General Odon Guitar assumed command of the District of Rolla, succeeding Brigadier-General Thomas Alfred Davies.

23 August 1864: Brigadier-General John McNeil assumed command of the District of Rolla, succeeding State Brigadier-General Odon Guitar.

4 October 1864: State Colonel Albert Sigel assumed temporary command of the District of Rolla, succeeding Brigadier-General John McNeil.

3 November 1864: Colonel John Finis Philips assumed command of the District of Rolla, succeeding Colonel Albert Sigel.

28 November 1864: Colonel Albert Sigel assumed temporary command of the District of Rolla, succeeding State Colonel John Finis Phillips.

2 December 1864: Missouri State Colonel Edwin C Catherwood assumed temporary command of the District of Rolla, succeeding Colonel Albert Sigel.

5 January 1865: Brigadier-General Egbert Benson Brown assumed command of the District of Rolla, succeeding Colonel Edward C Catherwood.

8 March 1865: Colonel Edwin C Catherwood assumed temporary command of the District of Rolla, succeeding Brigadier-General Egbert Benson Brown.

17 March 1865: Colonel John Morrill assumed command of the District of Rolla, succeeding Colonel Edwin C Catherwood.

10 July 1865: The District of Rolla was discontinued, and its territory incorporated into the District of Missouri.

District of St Louis Missouri #1

21 November 1861-4 June 1862

John McAllister Schofield 21 November 1861-10 April 1862

Lewis Merrill 10 April 1862-4 June 1862

21 November 1861: The District of St Louis was established in the Department of the Missouri, bounded by the Mississippi, Missouri and Meramec Rivers and the railroad line from Pacific to Rolla as far as Lindsey’s Station and a line drawn from the mouth of the Osage River just west of Jefferson City to the Meramec River.

21 November 1861: Brigadier-General John McAllister Schofield assumed command of the District of St Louis.

10 April 1862: Colonel Lewis Merrill assumed command of the District of St Louis, succeeding Brigadier-General John McAllister Schofield.

4 June 1862: The District of St Louis was discontinued, and incorporated into the District of Missouri.

District of St Louis Missouri #2

19 September 1862-10 July 1865

John Wynn Davidson 19 September 1862-2 December 1862

Vacant 3 December 1862-22 February 1863

John Wynn Davidson 23 February 1863-15 June 1863

William Kerley Strong 16 June 1863-27 May 1864

Vacant 27 May 1864-23 July 1864

Alfred Pleasonton 24 July 1864-8 December 1864

George Day Wagner 9 December 1864-19 June 1865

James Alexander Williamson 20 June 1865-10 July 1865

19 September 1862: The District of St Louis was re-established in the Department of the Missouri.

19 September 1862: Brigadier-General John Wynn Davidson assumed command of the District of St Louis.

3 December 1862: Command of the District of St Louis became vacant.

23 February 1863: Brigadier-General John Wynn Davidson resumed command of the District of St Louis.

30 March 1863: The District of St Louis was reduced when the border with the District of Rolla was drawn as the 91 degree west longitude from the northern line of Washington County south through the counties of Washington, Iron, Reynolds, Centre, and Ripley to the southern border of Missouri.

16 June 1863: The District of Southeast Missouri was established in the Department of the Missouri, comprising that part of the District of St Louis south of a line running east through Steeleville, including Cape Girardeau, Centreville, Fredericktown, Ironton, New Madrid, Patterson and Pilot Knob, Missouri.

16 June 1863: Brigadier-General William Kerley Strong assumed command of the District of St Louis, succeeding Brigadier-General John Wynn Davidson.

30 November 1863: The District of Southeast Missouri was discontinued, and its territory transferred to the District of St Louis.

24 July 1864: Major-General Alfred Pleasonton assumed command of the District of St Louis after a vacancy.

9 December 1864: Brigadier-General George Day Wagner assumed command of the District of St Louis, succeeding Major-General Alfred Pleasonton.

20 June 1865: Brigadier-General James Alexander Williamson assumed command of the District of St Louis, succeeding Brigadier-General George Day Wagner.

10 July 1865: The District of St Louis was discontinued, and its territory transferred to the District of Missouri.

District of St Mary’s, Maryland

23 July 1863-26 April 1865

Gilman Marston 23 July 1863-2 April 1864

Edward Winslow Hinks 3 April 1864-19 April 1864

Alonzo Granville Draper 20 April 1864-7 July 1864

James Barnes 7 July 1864-26 April 1865

23 July 1863: The District of St Mary’s was established under the War Department, comprising St Mary’s county in Maryland, detached from the Department of the Potomac.

23 July 1863: Brigadier-General Gilman Marston assumed command of the District of St Mary’s.

2 December 1863: The District of St Mary’s transferred from the War Department to the Department of Virginia and North Carolina.

2 December 1863: The District of St Mary’s transferred from the War Department to the Department of Virginia and North Carolina. It comprised the county of St Mary’s in Maryland and the Point Lookout prison camp.

2 December 1863: Brigadier-General Gilman Marston retained command of the District of St Mary’s.

3 April 1864: Brigadier-General Edward Winslow Hinks assumed command of the District of St Mary’s, succeeding Brigadier-General Gilman Marston.

20 April 1864: Colonel Alonzo Granville Draper assumed command of the District of St Mary’s, succeeding Brigadier-General Edward Winslow Hinks.

7 July 1864: The District of St Mary’s transferred from the Department of Virginia and North Carolina to the Department of Washington. It comprised the county of St Mary’s in Maryland and the Point Lookout prison camp.

7 July 1864: Brigadier-General James Barnes assumed command of the District of St Mary’s, succeeding Colonel Alonzo Granville Draper.

26 April 1865: The District of St Mary’s was discontinued.

District of Savannah, Georgia

18 January 1865-27 June 1865

Cuvier Grover 18 January 1865-11 February 1865

Henry Warner Birge 12 February 1865-4 June 1865

Stewart Lyndon Woodford 5 June 1865-22 June 1865-22 June 1865

Henry Warner Birge 23 June 1865-27 June 1865

18 January 1865: The District of Savannah was established in the Department of the South. It comprised the occupation forces in Savannah, Georgia.

18 January 1865: Brigadier-General Cuvier Grover assumed command of the District of Savannah.

12 February 1865: Brigadier-General Henry Warner Birge assumed command of the District of Savannah, succeeding Brigadier-General Cuvier Grover.

5 June 1865: The District of Savannah was extended to include the counties of Chatham, Bryan, Effingham, Bulloch, Emanuel, and Screven in Georgia.

5 June 1865: Colonel Stewart Lyndon Woodford assumed command of the District of Savannah, succeeding Brigadier-General Henry Warner Birge.

23 June 1865: Brigadier-General Henry Warner Birge assumed command of the District of Savannah, succeeding Colonel Stewart Lyndon Woodford.

27 June 1865: The District of Savannah was discontinued.

Sub-District of Somerset, Kentucky

6 November 1863-1 December 1863

Theophilus Toulmin Garrard 6 November 1863-1 December 1863

6 November 1863: The Sub-District of Somerset was established in the District of Kentucky, comprising the vicinity of Somerset, Kentucky.

6 November 1863: Brigadier-General Theophilus Toulmin Garrard assumed command of the Sub-District of Somerset.

1 December 1863: The Sub-District of Somerset was discontinued.

Northern District of the South #1

31 March 1862-21 June 1862

Henry Washington Benham 31 March 1862-21 June 1862

31 March 1862: The Northern District was established in the Department of the South, comprising the states of South Carolina, Georgia, and the parts of Florida north of the line connecting Cape Canaveral to Cedar Keys and east of a north-south line from Cedar Keys to the border of Georgia.

31 March 1862: Brigadier-General Henry Washington Benham assumed command of the Northern District of the Department of the South.

21 June 1862: The Northern District of the Department of the South was discontinued.

Northern District of the South #2

13 January 1864-27 June 1865

Alfred Howe Terry 15 January 1864-24 April 1864

Alexander Schimmelfennig 25 April 1864- 1 September 1864

Rufus Saxton 2 September 1864-2 October 1864

Eliakim Parker Scammon 3 October 1864-25 October 1864

Edward Elmer Potter 26 October 1864-13 November 1864

John Porter Hatch 14 November 1864-27 November 1864

Edward Needles Hallowell 28 November 1864-7 December 1864

Alexander Schimmelfennig 8 December 1864-25 February 1865

John Porter Hatch 26 February 1865-27 June 1865

13 January 1864: The Northern District was re-established in the Department of the South. It comprised the territory from Charleston Harbour to Saint Helena Sound, South Carolina.

13 January 1864: Brigadier-General Alfred Howe Terry assumed command of the Northern District South.

25 April 1864: Brigadier-General Alexander Schimmelfennig assumed command of the Northern District of the District of the South, succeeding Brigadier-General Alfred Howe Terry.

2 September 1864: Brigadier-General Rufus Saxton assumed command of the Northern District of the Department of the South, succeeding Brigadier-General Alexander Schimmelfennig.

3 October 1864: General Eliakim Parker Scammon assumed command of the Northern District of the Department of the South, succeeding Brigadier-General Rufus Saxton.

26 October 1864: Brigadier-General Edward Elmer Potter assumed command of the Northern District of the Department of the South, succeeding Brigadier-General Eliakim Parker Scammon.

14 November 1864: Brigadier-General John Porter Hatch assumed command of the Northern District of the Department of the South, succeeding Brigadier-General Edward Elmer Potter.

28 November 1864: Colonel Edward Needles Hallowell assumed command of the Northern District of the Department of the South, succeeding Brigadier-General John Porter Hatch.

8 December 1864: Brigadier-General Alexander Schimmelfennig assumed command of the Northern District of the Department of the South, succeeding Colonel Edward Needles Hallowell.

26 February 1865: Brigadier-General John Porter Hatch assumed command of the Northern District South, succeeding Brigadier-General Alexander Schimmelfennig.

27 June 1865: The Northern District of the Department of the South was discontinued.

Southern District of the South

31 March 1862-21 June 1862

John Milton Brannan 31 March 1862-21 June 1862

31 March 1862: The Southern District was established in the Department of the South, comprising Florida south of a line connecting Cape Canaveral and Cedar Keys, including territory formerly in the Department of Key West.

31 March 1862: Brigadier-General John Milton Brannan assumed command of the Southern District of the South.

21 June 1862: The Southern District of the South was discontinued and its territory incorporated into the District of Key West and Tortugas.

Western District of the South

15 March 1862-21 June 1862

Lewis Golding Arnold 15 March 1862-21 June 1862

15 March 1862: The Western District was established in the Department of the South, comprising the territory in Florida west of a line due north of Cedar Keys.

15 March 1862: Brigadier-General Lewis Golding Arnold assumed command of the Western District of the Department of the South.

21 June 1862: The Western District of the Department of the South was discontinued.

Sub-District of the South Anna, Virginia

25 May 1865-31 December 1865

Alvin Coe Voris May 25-31 December 1865

25 May 1865: The Sub-District of the South Anna was established in the Department of Virginia. It comprised the counties of Hanover, Louisa, Albemarle, Goochland, Fluvanna, and Greene in Virginia.

25 May 1865: Lieutenant-Colonel Alvin Coe Voris assumed command of the Sub-District of the South Anna.

District of Eastern South Carolina

23 June 1865-27 June 1865

George Lafayette Beal 23 June 1865-27 June 1865

23 June 1865: The District of Eastern South Carolina was established in the Department of the South. It consisted of Horry, Georgetown, Marion, Williamsburg, Marlboro, Darlington, Sumter, Kershaw, and Chesterfield districts counties.

23 June 1865: Brigadier-General George Lafayette Beal assumed command of the District of Eastern South Carolina.

27 June 1865: The District of Eastern South Carolina was discontinued.

District of Western South Carolina

23 June 1865-27 June 1865

Charles Henry Van Wyck 23 June 1865-27 June 1865

23 June 1865: The District of Western South Carolina was established in the Department of the South. It consisted of Lancaster, Fairfield, Chester, York, Union, Newberry, Edgefield, Abbeville, Laurens, Spartanburg, Greenville, Anderson, and Pickens districts counties.

23 June 1865: Colonel Charles Henry Van Wyck assumed command of the District of Western South Carolina.

27 June 1865: The District of Western South Carolina was discontinued.

District of Tennessee

30 May 1864-28 February 1865

Lovell Harrison Rousseau 30 May 1864-28 February 1865

30 May 1864: The District of Tennessee was established in the Department of the Cumberland, comprising the Defences of Louisville & Nashville Railroad, the Nashville & Northwestern Railroad and the former District of Nashville, Tennessee.

30 May 1864: Major-General Lovell Harrison Rousseau assumed command of the District of Tennessee.

28 February 1865: The District of Tennessee was discontinued, and its territory transferred to the District of Middle Tennessee.

District of East Tennessee

10 April 1864-17 March 1865

Jacob Ammen 10 April 1864-3 January 1865

Vacant 4 January 1865-17 January 1865

Davis Tillson 17 January 1865-9 March 1865

George Stoneman 9 March 1865-17 March 1865

10 April 1864: The District of East Tennessee was established in the Department of the Ohio, comprising the territory around Knoxville, Tennessee.

10 April 1864: Brigadier-General Jacob Ammen assumed command of the District of East Tennessee.

4 January 1865: Command of the District of East Tennessee became vacant.

17 January 1865: The District of East Tennessee transferred from the Department of the Ohio to the Department of the Cumberland.

17 January 1865: Brigadier-General Davis Tillson assumed command of the District of East Tennessee, succeeding Brigadier-General Jacob Ammen.

9 March 1865: Major-General George Stoneman assumed command of the District of East Tennessee, succeeding Brigadier-General Davis Tillson.

17 March 1865: The District of East Tennessee was discontinued.

District of Middle Tennessee #1

16 December 1863-14 February 1864

Jacob Ammen 16 December 1863-14 February 1864

16 December 1863: The District of Middle Tennessee was established in the Department of the Ohio, comprising parts of Kentucky and Tennessee south of the Cumberland River and between the roads from Carthage to Clinton, Tennessee and thence to Point Isabel, Kentucky.

16 December 1863: Brigadier-General Jacob Ammen assumed command of the District of Middle Tennessee.

14 February 1864: The District of Middle Tennessee was discontinued.

District of Middle Tennessee #2

28 February 1865-27 June 1865

Lovell Harrison Rousseau 28 February 1865-27 June 1865

28 February 1865: The District of Middle Tennessee was re-established in the Department of the Cumberland, comprising the region of Middle Tennessee, including Murfreesboro, Tullahoma, Decherd, Kingston Springs, Hartsville, Carthage, Clarksville, and Nashville, Tennessee, and Athens and Bridgeport, Alabama.

28 February 1865: Major-General Lovell Harrison Rousseau assumed command of the District of Middle Tennessee.

27 June 1865: The District of Middle Tennessee was discontinued.

District of West Tennessee #1

14 February 1862-16 October 1862

Ulysses Simpson Grant 14 February 1862-11 March 1862

Charles Ferguson Smith 11 March 1862-17 March 1862

Ulysses Simpson Grant 17 March 1862-16 October 1862

14 February 1862: The District of West Tennessee was established in the Department of the Missouri, comprising the territory around Fort Donelson, Tennessee, and locations occupied by the Army of West Tennessee.

14 February 1862: Brigadier-General Ulysses Simpson Grant was appointed to command the District of West Tennessee, arriving on 17 February 1862.

17 February 1862: Brigadier-General Ulysses Simpson Grant arrived to command the District of West Tennessee.

21 February 1862: The Army of West Tennessee was established in the District of West Tennessee.

11 March 1862: The Army of West Tennessee transferred from the District of West Tennessee to the Department of the Mississippi.

11 March 1862: The District of West Tennessee transferred from the Department of the Missouri to the Department of the Mississippi.

11 March 1862: Brigadier-General Charles Ferguson Smith assumed command of the District of West Tennessee, succeeding Major-General Ulysses Simpson Grant.

17 March 1862: Brigadier-General Ulysses Simpson Grant assumed command of the District of West Tennessee, succeeding Brigadier-General Charles Ferguson Smith.

16 June 1862: The District of the Mississippi was discontinued, and its territory transferred the District of West Tennessee.

21 June 1862: The Sub-District of Jackson was established in the District of West Tennessee.

26 June 1862: The Army of the Mississippi transferred from the Department of the Mississippi to the District of the West Tennessee.

19 September 1862:The District of West Tennessee transferred from the Department of the Mississippi to the War Department. It comprised the territory around Fort Henry and Fort Donelson in Tennessee, southwards to Corinth, Mississippi.

19 September 1862:Major-General Ulysses Simpson Grant retained command of the District of West Tennessee.

16 October 1862: The Army of West Tennessee was discontinued, and incorporated into the Army of the Tennessee. 16 October 1862: The District of Corinth transferred from the District of West Tennessee to the Department of Tennessee. 16 October 1862: The Sub-District of Jackson was discontinued.

16 October 1862: The Army of the Mississippi transferred to the Department of the Tennessee.

16 October 1862: The District of West Tennessee was discontinued, and its territory transferred to the Department of the Tennessee.

District of West Tennessee #2

15 January 1863-25 May 1865

Charles Smith Hamilton 15 January 1863-11 February 1863

Stephen Augustus Hurlbut 11 February 1863-28 April 1864

Cadwallader Colden Washburn 28 April 1864-2 June 1864

Benjamin Henry Grierson 2 June 1864-28 November 1864

Napoleon Jackson Tecumseh Dana 28 November 1864-7 December 1864

James Clifford Veatch 8 December 1864-2 February 1865

Benjamin Stone Roberts 3 February 1865-4 March 1865

Cadwallader Colden Washburn 4 March 1865-25 May 1865

15 January 1863: The District of West Tennessee was re-established in the Department of the Tennessee, comprising the territories formerly under the authority of the District of Columbus, the District of Corinth, and the District of Memphis.

15 January 1863: Major-General Charles Smith Hamilton assumed command of the District of West Tennessee.

15 January 1863: The Sub-District of Memphis was established in the District of West Tennessee.

11 February 1863: Major-General Stephen Augustus Hurlbut assumed command of the District of West Tennessee, succeeding Major-General Charles Smith Hamilton.

28 April 1864: Major-General Cadwallader Colden Washburn assumed command of the District of West Tennessee, succeeding Major-General Stephen Augustus Hurlbut.

2 June 1864: Brigadier-General Benjamin Henry Grierson assumed command of the District of West Tennessee, succeeding Brigadier-General Cadwallader Colden Washburn.

28 November 1864: The Sub-District of Memphis was discontinued.

28 November 1864: The District of West Tennessee transferred from the Department of the Tennessee to the Department of the Mississippi. It comprised the territory of Tennessee west of the Tennessee River.

28 November 1864: Brigadier-General Napoleon Jackson Tecumseh Dana assumed command of the District of West Tennessee, succeeding Brigadier-General Benjamin Henry Grierson.

8 December 1864: Brigadier-General James Clifford Veatch assumed command of the District of West Tennessee, succeeding Brigadier-General Napoleon Jackson Tecumseh Dana.

3 February 1865: Brigadier-General Benjamin Stone Roberts arrived to command the District of West Tennessee, succeeding Brigadier-General John Clifford Veatch.

10 February 1865: The District of West Tennessee transferred from the Department of the Mississippi to the Department of the Cumberland. It comprised the territory of Tennessee west of the Tennessee River.

10 February 1865: Brigadier-General Benjamin Stone Roberts retained command of the District of West Tennessee.

4 March 1865: Major-General Cadwallader Colden Washburn assumed command of the District of West Tennessee, succeeding Brigadier-General Benjamin Stone Roberts.

25 May 1865: The District of West Tennessee was discontinued.

Central District of Texas

27 June 1865-20 July 1865

David Sloane Stanley 27 June 1865-20 July 1865

27 June 1865: The Central District of Texas was established in the Department of Texas. It comprised the region between the Nueces River and the Brazos and Navasota Rivers.

27 June 1865: Major-General David Sloane Stanley assumed command of the Central District of Texas.

20 July 1865: The Central District of Texas was discontinued.

Eastern District of Texas

27 June 1865-20 July 1865

Joseph Anthony Mower 27 June 1865-20 July 1865

27 June 1865: The Eastern District of Texas was established in the Department of Texas. It comprised the region east of the Brazos and Navasotas Rivers.

27 June 1865: Brigadier-General Major-General Joseph Anthony Mower assumed command of the Eastern District of Texas.

20 July 1865: The Eastern District of Texas was discontinued.

Western District of Texas

27 June 1865-20 July 1865

Frederick Steele 27 June 1865-20 July 1865

27 June 1865: The Western District of Texas was established in the Department of Texas. It comprised the state of Texas west of the Nueces River.

27 June 1865: Major-General Frederick Steele assumed command of the Western District of Texas.

July 20 1976: The Western District of Texas was discontinued.

District of Utah

6 August 1862-28 March 1865

Patrick Edward Connor 6 August 1862-28 March 1865

6 August 1862: The District of Utah was established in the Department of the Pacific, comprising Utah Territory and Utah Territory.

6 August 1862: Colonel Patrick Edward Connor assumed command of the District of Utah.

20 August 1863: Soda Springs, Idaho Territory, transferred to the District of Utah.

17 February 1865: The District of Utah transferred from the Department of the Pacific to the Department of the Missouri. It comprised Utah Territory and the state of Nevada, and Soda Springs, Idaho Territory.

17 February 1865: Brigadier-General Patrick Edward Connor retained command of the District of Utah.

28 March 1865: The District of Utah was discontinued, and its territory incorporated into the District of the Plains.

District of the Valley of the Big Sandy River, Virginia

11 March 1862-8 June 1862

James Abram Garfield 11 March 1862-8 June 1862

11 March 1862: The District of the Valley of the Big Sandy River was established in the Mountain Department.

11 March 1862: Brigadier-General James Abram Garfield assumed command of the District of the Valley of the Big Sandy River.

8 June 1862: The District of the Valley of the Big Sandy River was discontinued.

District of Vicksburg, Mississippi

20 April 1864-22 June 1865

Henry Warner Slocum 20 April 1864-19 August 1864

Napoleon Jackson Tecumseh Dana 19 August 1864-27 September 1864

Morgan Lewis Smith 27 September 1864-28 November 1864

Napoleon Jackson Tecumseh Dana 28 November 1864-7 December 1864

Cadwallader Colden Washburn 8 December 1864-10 February 1865

Morgan Lewis Smith 11 February 1865-22 June 1865

20 April 1864: The District of Vicksburg was established in the Department of the Tennessee, extending from the mouths of the Arkansas and Tallahatchie Rivers along the Mississippi to the boundary of the Department of the Gulf.

20 April 1864: Major-General Henry Warner Slocum assumed command of the District of Vicksburg.

19 August 1864: Brigadier-General Napoleon Jackson Tecumseh Dana assumed command of the District of Vicksburg, succeeding Major-General Henry Warner Slocum.

27 September 1864: Major-General Morgan Lewis Smith assumed command of the District of Vicksburg, succeeding Major-General Napoleon Jackson Tecumseh Dana.

28 November 1864: The District of Vicksburg, comprising the posts of Vicksburg, Natchez, and Davis Bend, transferred from the Department of the Tennessee to the Department of the Mississippi.

28 November 1864: Brigadier-General Napoleon Jackson Tecumseh Dana assumed command of the District of Vicksburg, succeeding Brigadier-General Morgan Lewis Smith.

8 December 1864: Major-General Cadwallader Colden Washburn assumed command of the District of Vicksburg, succeeding Brigadier-General Napoleon Jackson Tecumseh Dana.

3 January 1865: The territories east and west of the Mississippi River north of the Red River and south of the 32 parallel were detached from the District of Vicksburg and assigned to the District of Natchez.

11 February 1865: Brigadier-General Morgan Lewis Smith assumed command of the District of Vicksburg, succeeding Brigadier-General Cadwallader Colden Washburn.

5 June 1865: The District of Vicksburg transferred from the Department of the Mississippi to the Department of the Gulf

5 June 1865: Major-General Morgan Lewis Smith retained command of the District of Vicksburg.

22 June 1865: The District of Vicksburg was discontinued.

District of Virginia #1

21 August 1863-23 September 1863

Henry Morris Naglee 21 August 1863-23 September 1863

21 August 1863: The District of Virginia was established in the Department of Virginia and North Carolina, comprising the territory around Fort Monroe, Camp Hamilton, Newport News, Yorktown, Suffolk, Portsmouth, and Norfolk.

21 August 1863: Brigadier-General Henry Morris Naglee assumed command of the District of Virginia.

23 September 1863: The District of Virginia was discontinued, and its territory transferred to the District of Yorktown.

District of Virginia #2

31 January 1865-31 December 1865

Edward Otho Cresap Ord 31 January 1865-31 December 1865

31 January 1865: The District of Virginia was re-established in the Department of Virginia.

31 January 1865: Major-General Edward Otho Cresap Ord assumed command of the District of Virginia.

District of Eastern Virginia

27 May 1864-24 August 1865

George Foster Shepley 27 May 1864-11 February 1865

George Henry Gordon 11 February 1865-24 August 1865

27 May 1864: The District of Eastern Virginia was established in the Department of Virginia and North Carolina.

27 May 1864: Brigadier-General George Foster Shepley assumed command of the District of Eastern Virginia.

18 January 1865: The District of Eastern Virginia transferred from the Department of Virginia and North Carolina to the Department of Virginia.

18 January 1865: Brigadier-General George Foster Shepley retained command of the District of Eastern Virginia.

11 February 1865: Brigadier-General George Henry Gordon assumed command of the District of Eastern Virginia, succeeding Brigadier-General George Foster Shepley.

27 April 1865: The Sub-District of the Peninsula was established in the District of Eastern Virginia.

25 May 1865: The Sub-District of the Peninsula transferred from the District of Eastern Virginia to the District of Fort Monroe.

24 August 1865: The District of Eastern Virginia was discontinued.

District of Northeastern Virginia

10 July 1865-31 December 1865

Charles Devens 10 July 1865-31 December 1865

10 July 1865: The District of Northeastern Virginia was established in the Department of Virginia. It comprised the counties of Loudon, Prince William, Fauquier, Stafford, Rappahannock, Culpeper, Madison, King George, Westmoreland, Northumberland, Richmond, and Lancaster in Virginia.

10 July 1865: Brigadier-General Charles Devens assumed command of the District of Northeastern Virginia.

District of Southwestern Virginia

13 July 1865-31 December 1865

Newton Martin Curtis 13 July 1865-31 December 1865

13 July 1865: The District of Southwestern Virginia was established in the Department of Virginia. It comprised 31 counties in south-western Virginia around Lynchburg.

13 July 1865: Brigadier-General Newton Martin Curtis assumed command of the District of Southwestern Virginia.

District of Western Virginia

28 September 1862-16 March 1863

Quincy Adams Gillmore 28 September 1862-4 October 1862

Jacob Dolson Cox 4 October 1862-16 March 1863

28 September 1862: The District of Western Virginia was established in the Department of the Ohio, comprising western Virginia and the counties in Ohio adjacent to Virginia.

28 September 1862: The Sub-District of the Kanawha transferred from the Department of the Ohio to the District of Western Virginia.

28 September 1862: Brigadier-General Quincy Adams Gillmore assumed command of the District of Western Virginia.

4 October 1862: Brigadier-General Jacob Dolson Cox assumed command of the District of Western Virginia, succeeding Brigadier-General Quincy Adams Gillmore.

16 March 1863: The Sub-District of the Kanawha was discontinued.

16 March 1863: The District of Western Virginia was discontinued, and the territory of Western Virginia transferred from the Department of the Ohio to the Middle Department.

(Military) District of Washington, District of Columbia

12 March 1862-2 August 1865

James Samuel Wadsworth 12 March 1862-7 September 1862

Nathaniel Prentiss Banks 7 September 1862-27 October 1862

Samuel Peter Heintzelman 27 October 1862-2 February 1863

John Henry Martindale 2 February 1863-2 May 1864

Moses N Wisewell 2 May 1864–26 April 1865

Orlando Bolivar Willcox 26 April 1865-2 August 1865

12 March 1862: The Military District of Washington was established as an independent command under the War Department, comprising the District of Columbia, Alexandria in Virginia, and Port Washington, District of Columbia.

12 March 1862: Brigadier-General James Samuel Wadsworth assumed command of the Military District of Washington.

4 April 1862: The Military District of Washington transferred to the Department of the Rappahannock.

4 April 1862: Brigadier-General James Samuel Wadsworth retained command of the Military District of Washington

26 June 1862: The Military District of Washington transferred from the Department of the Rappahannock to the War Department.

26 June 1862: Brigadier-General James Samuel Wadsworth retained command of the Military District of Washington.

7 September 1862: Major-General Nathaniel Prentiss Banks assumed command of the Military District of Washington, succeeding Brigadier-General James Samuel Wadsworth.

27 October 1862: Major-General Samuel Peter Heintzelman assumed command of the Military District of Washington, succeeding Major-General Nathaniel Prentiss Banks.

2 February 1863: The Military District of Washington was discontinued, and its territory incorporated into the District of Washington.

2 February 1863: The District of Washington was established in the Department of Washington, comprising the territory formerly under the authority of the Military District of Washington.

2 February 1863: Brigadier-General John Henry Martindale assumed command of the District of Washington.

2 May 1864: Colonel Moses N Wisewell assumed command of the District of Washington, succeeding John Henry Martindale.

26 April 1865: The District of Washington was reorganised to include the part of the Department of Washington north of the Potomac River except the city of Washington and the territory between the Potomac and Patuxent Rivers south of the Piscataway River.

26 April 1865: Brigadier-General Orlando Bolivar Willcox assumed command of the District of Washington, succeeding Colonel Moses N Wisewell.

18 May 1865: The District of the Northern Neck was discontinued, and its territory transferred to the District of Washington.

2 August 1865: The District of Washington was discontinued.

District of Wilmington, North Carolina

1 March 1865-20 September 1865

Joseph Roswell Hawley 1 March 1865-23 June 1865

John Worthington Ames 23 June 1865-20 September 1865

1 March 1865: The District of Wilmington was established in the Department of North Carolina. It comprised Wilmington, North Carolina, and the territory around, including the locations occupied by XVIII Corps North Carolina “Army of the Ohio”.

1 March 1865: Brigadier-General Joseph Roswell Hawley assumed command of the District of Wilmington.

23 June 1865: Colonel John Worthington Ames assumed command of the District of Wilmington, succeeding Brigadier-General Joseph Roswell Hawley.

20 September 1865: The District of Wilmington was discontinued.

District of Wisconsin

6 September 1862-27 June 1865

Washington Lafayette Elliott 6 September 1862-15 February 1863

Thomas Church Haskell Smith 16 February 1863-16 April 1865

Thomas Alfred Davies 17 April 1865-27 June 1865

6 September 1862: The District of Wisconsin was established in the Department of the Northwest, comprising the state of Wisconsin.

6 September 1862: Brigadier-General Washington Lafayette Elliott assumed command of the District of Wisconsin.

16 February 1863: Brigadier-General Thomas Church Haskell Smith assumed command of the District of Wisconsin, succeeding Brigadier-General Washington Lafayette Elliott.

17 April 1865: Brigadier-General Thomas Alfred Davies assumed command of the District of Wisconsin, succeeding Brigadier-General Thomas Church Haskell Smith.

27 June 1865: The District of Wisconsin was discontinued.

District of Yorktown, Virginia #1

18 July 1863-21 August 1863

Isaac Jones Wistar 18 July 1863-21 August 1863

18 July 1863: The District of Yorktown was established in the Department of Virginia and North Carolina, comprising the vicinity of Yorktown, Virginia.

18 July 1863: Brigadier-General Isaac Jones Wistar assumed command of the District of Yorktown.

21 August 1863: The District of Yorktown was discontinued and renamed as the Sub-District of Yorktown in the District of Virginia.

District of Yorktown, Virginia #2

23 September 1863-17 May 1864

Isaac Jones Wistar 23 September 1863-21 December 1863

Robert Mayhew West temporary 22 December 1863-21 January 1864

Isaac Wistar Jones 22 January 1864-15 February 1864

Robert Mayhew West temporary 16 February 1864-7 March 1864

Isaac Jones Wistar 8 March 1864-20 April 1864

William Farrar Smith 21 April 1864-3 May 1864

Joseph Bradford Carr 4 May 1864-17 May 1864

23 September 1863: The District of Yorktown was re-established in the Department of Virginia and North Carolina.

23 September 1863: Brigadier-General Isaac Jones Wistar assumed command of the District of Yorktown.

22 December 1863: Colonel Robert Mayhew West assumed temporary command of the District of Yorktown, succeeding Brigadier-General Isaac Jones Wistar.

22 January 1864: Brigadier-General Isaac Jones Wistar assumed command of the District of Yorktown, succeeding Colonel Robert Mayhew West.

16 February 1864: Colonel Robert Mayhew West assumed temporary command of the District of Yorktown, succeeding Brigadier-General Isaac Jones Wistar.

8 March 1864: Brigadier-General Isaac Jones Wistar assumed command of the District of Yorktown, succeeding Colonel Robert Mayhew West.

21 April 1864: Major-General William Farrar Smith assumed command of the District of Yorktown, succeeding Brigadier-General Isaac Jones Wistar.

4 May 1864: Brigadier-General Joseph Bradford Carr assumed command of the District of Yorktown, succeeding Major-General William Farrar Smith.

17 May 1864: The District of Yorktown was discontinued.

Sub-District of Yorktown, Virginia

21 August 1863-23 September 1863

Isaac Jones Wistar 21 August 1863-223 September 1863

21 August 1863: The Sub-District of Yorktown was established in the District of Virginia.

21 August 1863: Brigadier-General Isaac Jones Wistar retained command of the Sub-District of Yorktown.

23 September 1863: The Sub-District of Yorktown was discontinued, and renamed as the District of Yorktown in the Department of Virginia and North Carolina.

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