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.
Learn More about the Battle
Find out more about the people, places and events that are part of the campaign that changed America.Read More
Plan Your Visit
Click here if you plan to visit the park for some helpful hints.Read More
The Memorial Illumination will be held on Saturday, December 7, 2013.Read More
Go to our Social Media sites to see the latest stories and images from the Battlefield.Read More
White-Tailed Deer Management Plan
Comment period for the White-tailed Deer Management Plan and Environmental Impact Statement is open now. To comment click on link.Read More
Did You Know?
Private Johnny Cook, a bugler with Battery B, 4th U.S., was awarded the Medal of Honor for his actions at Antietam when he was only 15 years old.