Maryland campaign

September 4–20, 1862 · Maryland

Result Union victory

Robert E. Lee led the Confederate army into Maryland. The campaign ended at Antietam, and Lee's retreat let Lincoln issue the Emancipation Proclamation.

On the map Contemporaries

Union

Confederacy

United States

Confederate States of America

George B. McClellan military commander

Robert E. Lee military commander

Strength and losses

Strength: 102,234
Casualties: 28,272
Wounded: 12,108

Strength: 55,000
Casualties: 16,229
Wounded: 10,591

Units

Army of the Potomac

Army of Northern Virginia 1st Maryland Cavalry Battalion (Confederate) 4th North Carolina Infantry Regiment

Also involved 1

Stonewall Jackson participant · Confederacy