January 23 1861 Wednesday
District of Columbia. Commander John Adolphus Bernard Dahlgren took precautions against an attack on the Washington Navy Yard by moving the artillery and ammunition from the Yard magazine to the attic of the main building.
Louisiana. The Louisiana state convention met to discuss the matter of secession, receiving commissioners from South Carolina and Alabama.
Union Organisation
Commander in Chief: President James Buchanan
Vice-President: John Cabell Breckinridge
Secretary of War: Joseph Holt
Secretary of the Navy: Isaac Toucey
African Squadron: William Inman
Brazil Squadron: Joshua Ratoon Sands
East Indian (Asiatic) Squadron: Cornelius Kinchiloe Stribling
European Squadron: vacant
Home Squadron: Garrett J Prendergast
Mediterranean Squadron: Charles H Bell
Pacific Squadron: John Berrien Montgomery
General–in-Chief: Winfield Scott
Department of the East: John Ellis Wool
Department of New Mexico: Thomas Turner Fauntleroy interim, William Wing Loring awaited
Department of the Pacific: Albert Sidney Johnston
- District of Oregon: George Wright
Department of Texas: David Emanuel Twiggs
Department of Utah: Philip St George Cooke
Department of the West: William Selby Harney
Union Generals
Major-General USA
Winfield Scott
Brigadier-General USA
John Ellis Wool
David Emanuel Twiggs
William Selby Harney
Brigadier-General USA (Staff)
Joseph Eggleston Johnston
American Civil War High Command 