May 11 1861 Saturday
California. Pro-Union demonstrations occurred in San Francisco.
District of Columbia. USS Pawnee, Commander Stephen Clegg Rowan, was ordered to proceed from the Washington Navy Yard to Alexandria, Virginia, to protect vessels from attack by Confederate forces.
Missouri. Pro-secession riots continued to break out in St Louis. A mob fired on a company of Union Home Guards. The Home Guards replied, and the exchange resulted in the deaths of three Guardsmen and four civilians. The 5th Missouri Reserve Regiment quelled the protests.
Missouri. Union Brigadier-General William Selby Harney reasserted his command of the Department of the West over Captain Nathaniel Lyon, who had been acting against armed pro-secession groups under the direction of US Representative Francis Preston Blair Jr. Harney issued a proclamation, announcing his determination to enforce order and the authority of the Federal government.
Virginia. Pro-Union demonstrations occurred in Wheeling.
Union Organisation
USA: Brigadier-General William Selby Harney resumed command of the Department of the West.
Commander in Chief: President Abraham Lincoln
Vice-President: Hannibal Hamlin
Secretary of War: Simon Cameron
Secretary of the Navy: Gideon Welles
Coast Blockading Squadron: Silas Horton Stringham
Gulf Blockading Squadron: William Mervine
Pacific Squadron: John Berrien Montgomery
Potomac Flotilla: James Harmon Ward
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
CSA: Benjamin McCulloch promoted Brigadier-General PACS.
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
Brigadier-General USA
John Ellis Wool
William Selby Harney
Edwin Vose Sumner
Confederate Generals
Note: Italics, awaiting confirmation of the commission
Major-General PACS
David Emanuel Twiggs
Brigadier-General ACSA
Pierre Gustave Toutant Beauregard
Braxton Bragg
Brigadier-General PACS
Alexander Robert Lawton
Milledge Lake Bonham
Benjamin McCulloch
American Civil War High Command 