• Cannon and Cornfield at Dawn

    Antietam

    National Battlefield Maryland

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?

Artillery at Antietam

Over 500 cannons participated in the Battle of Antietam, firing over 50,000 rounds of ammunition. The cannonade was so severe that Confederate artillery commander Colonel S.D. Lee described the battle as "artillery hell."