The Bloodiest One Day Battle in American History
23,000 soldiers were killed, wounded or missing after twelve hours of savage combat on September 17, 1862. The Battle of Antietam ended the Confederate Army of Northern Virginia's first invasion into the North and led to Abraham Lincoln's issuance of the preliminary Emancipation Proclamation.
Did You Know?
William McKinley served at Antietam as a Commissary Sergeant in the 23rd Ohio Infantry before becoming the nation’s 25th President. A monument to him at Antietam was dedicated in his memory on October 13, 1903, two years after he was assassinated.