Abraham Lincoln was assassinated by John Wilkes Booth on April 14, 1865, at Ford's Theatre in Washington.

D.C. Booth, a fervent supporter of the Confederacy and a well-known actor believed that killing Lincoln would aid the Southern cause and avenge the South's defeat in the Civil War. He shot Lincoln in the back of the head while the president was watching a play, and Lincoln died the following day. Booth's assassination of Lincoln was a pivotal moment in American history, leading to national mourning and significant political repercussions as the nation grappled with the loss of its leader.