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Antietam National Battlefield A Pennsylvania monument with the moon setting
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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.
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Learn More about the Battle

The Battle of Antietam was part of what is known as the Maryland Campaign of 1862. Find out more about the people, places and events that are part of the campaign that changed America.


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Antietam visitors walk along Bloody Lane

150th Battle Anniversary

Antietam National Battlefield will observe the 150th Anniversary of the battle September 15-17, 2012. Planned programs include tours, hikes, music, children's activities, living history, guest lecturers and memorial ceremonies. In addition, the park is part of a regional effort to commemorate the entire Maryland Campaign of 1862. Five National Parks, one Maryland State Park, and numerous county and private organizations are working together to provide opportunities across the region from late August through September 22nd. Specific schedules and locations of events will be published soon.
 
 

Support Your Antietam

There are many ways that you can help preserve the sacrifice and serenity that is Antietam. Building a fence, becoming an Antietam Partner, donating to preserve a cannon or monument are just a few examples of how you can help preserve the battlefield for future generations.


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Write to

Antietam National Battlefield
P.O. Box 158
Sharpsburg, MD 21782

E-mail Us

Phone

Park Visitor Center
(301) 432-5124

Park Headquarters
(301) 432-7648

Fax

(301) 432-4590

Climate

Summers can be hot and humid with sudden thunderstorms possible. July and August are the hottest months with average temperatures in the 90s. Winters can be cold with average temperatures in 30s and 40s with snow possible.  Average annual precipitation is about 40 inches. Spring and fall are generally more comfortable with milder temperatures. On the day of the battle, September 17, 1862, it was foggy and damp in the morning, clearing with light winds and temperatures in the 70s.
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Henry Kyd Douglas

Did You Know?
Henry Kyd Douglas, the youngest staff officer for Gen. Thomas "Stonewall" Jackson was a native of the Sharpsburg area. His family home was just 4 miles west of the Battlefield. His uniform and personal library are part of the Battlefield collection.
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Last Updated: January 31, 2012 at 12:22 MST

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