William W. Averell initiates another Federal raid into West Virginia, which culminates in an engagement at White Sulphur Springs.
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.
Robert H. Milroy’s Federal advance from Cheat Mountain leads to defeat in the last significant clash of the year in northwestern Virginia.
William Nelson’s Federals win a minor victory in eastern Kentucky but fail in their ultimate goal of destroying the enemy.
Robert E. Lee returns to Richmond after his three-month campaign in western Virginia that many southerners consider a miserable failure.