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.
Features
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Learn More about the Battle
Find out more about the people, places and events that are part of the campaign that changed America.
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Plan Your Visit
Click here if you plan to visit the park for some helpful hints.
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Social Media
Go to our Social Media sites to see the latest stories and images from the Battlefield.
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Did You Know?
Robert Gould Shaw served as a Captain in the 2nd Massachusetts Infantry and was wounded in the Cornfield at Antietam before taking command of the 54th Massachusetts Infantry made famous in the movie Glory.