Battle of Antietam breaks out, September 17, 1862

Early on the morning of September 17, 1862, Confederate and Union troops in the Civil War clash near Maryland’s Antietam Creek in the bloodiest single day in American military history.

September 2017 - History - U.S. Census Bureau

Battle of Antietam, Summary, Significance, Outcome, 1862

Antietam

Battle of Antietam

Why was the battle of Antietam more important or decisive than Gettysburg? - Quora

Antietam Brigades

Cornfield Trail Guide-Stop 1 - Antietam National Battlefield (U.S. National Park Service)

Discovery of a Forgotten Antietam Map Ignites Civil War Researchers! - Fold3 HQFold3 HQ

Battle of Antietam breaks out, September 17, 1862

Gallant Charge at Antietam - Warfare History Network