- Feb 1 JS Rock, 1st African American lawyer to practise in US Supreme Court, admitted to bar
- Feb 1 US President Lincoln signs 13th Amendment of US Constitution, abolishing slavery in US; celebrated as National Freedom Day [1]
- Feb 3 Hampton Roads Peace Conference, Lincoln & Stephens reach an impasse
- Feb 4 Hawaiian Board of Education formed
Lee Commands Confederate Forces
Feb 4 Robert E. Lee is named general-in-chief of Confederate forces
- Feb 5 US Civil War: Battle of Hatcher's Run, Virginia (Armstrong's Mill, Dabney's Mill)
- Feb 6 US Civil War: 2nd day of battle at Dabney's Mills (Hatcher's Run)
- Feb 8 Martin Robison Delany, 1st black major in US Army appointed during US Civil War
- Feb 12 Henry Highland Garnet becomes the 1st African American minister to preach to the US House of Representatives, he talks about the end of slavery
- Feb 17 -18] Battle of Charleston, South Carolina
- Feb 17 Columbia in South Carolina burns down during the American Civil War
- Feb 18 Battle of Fort Moultrie, SC occupied by Federals
- Feb 18 Evacuation of Charleston, South Carolina
- Feb 18 Union troops force Confederates to abandon Ft Anderson, NC
- Feb 20 Massachusetts Institute of Technology forms 1st US collegiate architectural school
- Feb 22 Battle of Wilmington, NC (Fort Anderson) occupied by Federals
- Feb 22 Tennessee adopts a new constitution abolishing slavery
- Feb 27 Civil War skirmish near Sturgeon, Missouri
Admirals
Aviators
Gangsters
Generals
Industrialists
Suffragists