May 12 1861 Sunday
Maryland. Troops under Massachusetts State Brigadier-General Benjamin Franklin Butler restored Union control in Baltimore over armed pro-secessionist groups.
Missouri. The Missouri General Assembly created the Missouri State Guard to defend the state from attacks from perceived enemies, either from the North or South. The governor appointed Sterling Price as Major-General of State Militia, and specifically the Missouri State Guard. Fearing Missouri’s drift towards the Confederacy, Union Brigadier-General William Selby Harney drew up a truce with Price which affirmed Missouri’s neutrality in the impending conflict. Governor Claiborne Jackson declared his support for the Union. However, Harney’s action was considered to be too favourable to the secessionist cause. Captain Nathaniel Lyon, who had been leading the pro-Union resistance, was promoted Brigadier-General of Missouri Volunteers to provide a pro-Union counter-balance. President Abraham Lincoln made a specific request for Missouri troops to enter Union service, which Governor Claiborne Jackson refused.
Union Organisation
USA: Captain Nathaniel Lyon promoted Brigadier-General of Missouri State volunteers (Connecticut) Born 1818 USMA 1841
Lyon, Nathaniel / Connecticut / Born 14 July 1818 Ashford, Connecticut / USMA 1841 11/52 Infantry / 2nd Lieutenant USA 2nd US Infantry 1 July 1841 / 1st Lieutenant USA 2nd US Infantry 16 February 1847 / Captain USA 2nd US Infantry 11 June 1851 / Brigadier-General Missouri Volunteers 12 May 1861 / Brigadier-General USV 17 May 1861 / WIA Mexican War 1848 / KIA Wilson’s Creek 10 August 1861 / 23 April 1861 – 28 April 1861 Department of the West, 31 May 1861 – 2 July 1861 Department of the West, 2 July 1861 Army of the West, 3 July 1861 -24 July 1861 Western Department
Commander in Chief: President Abraham Lincoln
Vice-President: Hannibal Hamlin
Secretary of War: Simon Cameron
Secretary of the Navy: Gideon Welles
- Coast Blockading Squadron USN: Flag Officer Silas Horton Stringham USN
- Gulf Blockading Squadron USN: Flag Officer William Mervine USN
- Pacific Squadron USN: Captain John B Montgomery USN
- Potomac Flotilla USN: Commander James Harmon Ward USN
General–in-Chief: Winfield Scott
- Department of Annapolis: Benjamin Franklin Butler awaited
- Department of the East: John Ellis Wool
- Department of Florida: Harvey Brown
- Department of New Mexico: Vacant
- Department of the Ohio: George Brinton McClellan awaited
- Department of the Pacific: Edwin Vose Sumner
- District of Oregon: George Wright
- Department of Pennsylvania: Robert Patterson
- Department of Texas: Vacant
- Department of Utah: Philip St George Cooke
- Department of Washington: Joseph King Fenno Mansfield
- Department of the West: William Selby Harney
Confederate Organisation
Commander in Chief: President Jefferson Finis Davis
Vice-President: Alexander Hamilton Stephens
Secretary of War: Leroy Pope Walker
Secretary of the Navy: Stephen Russell Mallory
- Department of Alexandria: Philip St George Cocke
- Alexandria Line: Philip St George Cocke
- Department of North Carolina: Theophilus Hunter Holmes
- Defences of North Carolina: Theophilus Hunter Holmes
- Department of South Carolina: Pierre Gustave Toutant Beauregard
- “Forces in Charleston”: Pierre Gustave Toutant Beauregard
- Department of Southwestern Virginia: William Wing Loring
- Department of Texas: Earl Van Dorn
- Department of West Florida: Braxton Bragg
- “Forces in Pensacola”: Braxton Bragg
- District of Louisiana: David Emanuel Twiggs
- “Forces in New Orleans” “Army of Louisiana”: Braxton Bragg
- Defences of Savannah: Alexander Robert Lawton
- Potomac Line: Daniel Ruggles
- Forces in Harper’s Ferry”: Thomas Jonathan Jackson
- “Forces in Norfolk”: Walter Gwynn
- Forces in Richmond: John Bankhead Magruder
- Forces in the Kanawha Valley: Christopher Quarles Tompkins
Union Generals
- Major-General USA Winfield Scott 5 July 1841 to rank from 25 June 1841 General-in-Chief
- Brigadier-General USA John Ellis Wool 25 June 1841 Department of the East
- Brigadier-General USA William Selby Harney 14 June 1858 Department of the West
- Brigadier-General USA Edwin Vose Sumner 16 March 1861 Department of the Pacific
- Colonel Joseph King Fenno Mansfield 28 May 1853 Department of Washington
- Colonel George Wright 3 March 1855 District of Oregon
- Colonel Philip St George Cooke 14 June 1858 Department of Utah
- Lieutenant-Colonel Harvey Brown 28 April 1861 Department of Florida
- State Major-General Robert Patterson Department of Pennsylvania
- State Major-General George Brinton McClellan Department of the Ohio awaited
- State Brigadier-General Benjamin Franklin Butler Department of Annapolis awaited
Confederate Generals
- Major-General PACS David Emanuel Twiggs March 22 1861 District of Louisiana
- Brigadier-General ACSA Pierre Gustave Toutant Beauregard March 1 1861 Department of South Carolina & Forces in Charleston
- Brigadier-General ACSA Braxton Bragg March 7 1861 Forces in Louisiana & Department of West Florida & Forces in Pensacola & Forces in New Orleans
- Brigadier-General PACS Alexander Robert Lawton 13 April 1861 Defences of Savannah
- Brigadier-General PACS Milledge Luke Bonham 23 April 1861
- Brigadier-General PACS Benjamin McCulloch 11 May 1861
- Colonel Earl Van Dorn 16 March 1861 Department of Texas
- Colonel Theophilus Hunter Holmes March 1861 Department of North Carolina & Defences of North Carolina
- Colonel Thomas Jonathan Jackson 21 April 1861 Forces in Harper’s Ferry
- Colonel John Bankhead Magruder 16 May 1861 Forces in Richmond
- Colonel William Wing Loring Department of Southwestern Virginia
- State Major-General Walter Gwynn 10 April 1861 Forces in Norfolk
- State Brigadier-General Philip St George Cocke 21 April 1861 Department of Alexandria & Alexandria Line
- State Brigadier-General Daniel Ruggles May 1861 Potomac Line
- Colonel Christopher Quarles Tompkins Forces in the Kanawha Valley
