As part of Robert E. Lee’s Confederate army moves through Maryland, another part under Thomas “Stonewall” Jackson forces the largest Federal surrender of the war.
Three Confederate forces converge on the Federal garrison at Harpers Ferry, at the strategic confluence of the Potomac and Shenandoah rivers.
A vicious fight in driving rain ends the Second Bull Run campaign with John Pope’s Federal Army of Virginia still intact but thoroughly defeated by Robert E. Lee’s Confederate Army of Northern Virginia.
The Second Bull Run campaign winds down as Confederates have difficulty in chasing down John Pope’s Federals before they can fall back to the safety of the Washington defenses.
The right wing of Robert E. Lee’s Confederate army rips into John Pope’s Federals and nearly destroys his Army of Virginia in the decisive fight of the Second Bull Run campaign.
Federals under John Pope continue the fight with Thomas “Stonewall” Jackson’s Confederates from the previous day, unaware that Robert E. Lee had united Jackson with James Longstreet’s Confederates near the old Bull Run battlefield.