Sequence of Events Antietam Campaign
Events at South Mountain and Harper's Ferry

Sept. 4: Lee's army crosses into Maryland at White's Ferry.

Sept. 7. Lee concentrates his army at Frederick before sending Stonewall Jackson to capture Harper's Ferry.

Sept. 4-7 McClellan resumes command of the Federal army and advances cautiously to find Lee and cover Washington.

Sept. 11: D. H. Hill's Confederates guard the passes in South Mountain while Longstreet watches to the north at Hagerstown.

Sept. 11-12: Jackson attacks the Federal garrison at Martinsburg and drives them towards Harper's Ferry.

Sept. 13: McClellan reaches Frederick and discovers Lee's plans in the mislaid Confederate Order 191.

Sept. 13-15: Jackson seals the southern exit to Harper's Ferry and bombards the Federal garrison.

Sept. 13-15: McLaws Confederate division captures Maryland Heights, cutting off a Federal retreat northwards.

Sept. 13-15: Walker's Confederate division occupies Loudon Heights and completes the cordon around Mile's division. The Federals surrendered 12,000 troops at Harper's Ferry on the 15th.

Sept. 14: Federal I and IX Corps capture Turner's Gap from D. H. Hill and Longstreet, forcing a Confederate Retreat.

Sept. 14: A portion of McLaw's Confederates delay Franklin's Federal VI Corps at Crampton Gap.

Sept. 15: With the imminent fall of Harper's Ferry, Lee determines to make a stand along Antietam Creek at Sharpsburg.

Events at Antietam (Sharpsburg)

Source: "The Atlas of the Civil War" by James M. McPherson

This page last updated 12/17/03