Abraham Lincoln fulfills a party pledge by approving a law that bans the expansion of slavery into the U.S. territories.
Exploring the most important 55 months in American history
Abraham Lincoln fulfills a party pledge by approving a law that bans the expansion of slavery into the U.S. territories.
President Abraham Lincoln submits his first annual message to Congress, in which he describes the current state of affairs and reiterates his view that the Union must be preserved by all necessary means.
The second session of the first Republican-dominated Congress opened with many intent on destroying slavery as a means to win the war.
The U.S. Congress approves legislation to pay for the war, including the first-ever personal income tax.