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.


Monument at Bloody Lane

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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Visitors at the Dunker Church

Plan Your Visit

Click here if you plan to visit the park for some helpful hints.

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Over 23,000 candles will dot the battlefield.

Memorial Illumination

The Memorial Illumination is Saturday, December 5, 2015.

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Burnside Bridge

Burnside Bridge Repairs

The Park has created a new page where we will keep you updated on the repairs to the Burnside Bridge.

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Burnside Bridge at Antietam National Battlefield

Social Media

Go to our Social Media sites to see the latest stories and images from the Battlefield.

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