✦ History

Part of American Civil War

Battle of South Mountain

September 14, 1862 · Frederick County

Result Union victory

Union forces under McClellan attacked Confederate troops holding passes in South Mountain, Maryland. The Union won, which led to the Battle of Antietam three days later.

On the map Contemporaries

Union

Confederacy

United States
Confederate States of America
George B. McClellan military commander Ambrose Burnside military commander William Buel Franklin military commander
Robert E. Lee military commander Daniel Harvey Hill military commander

Strength and losses

Strength
28,00028,480, 24,000
Casualties
2,325
Killed
325350, 325
Wounded
1,8071,403, 1,450, 1,403
Missing
85100, 85
Strength
17,85215,000
Killed
325300
Wounded
1,5601,300
Missing
800500

Units

Union Army IX Corps (Union Army) Iron Brigade 1st Maine Cavalry Regiment 7th Indiana Infantry Regiment

Also involved 3