With his troops enlistment expiring, Robert Patterson is relieved of duty in the Shenandoah Valley. He had failed to hold Joseph Johnston in Winchester to prevent Johnston from moving east to support Beauregard at Bull Run.
Department of East Tennessee, comprised of 17,800 men under Simon Bolivar Buckner, is merged into Braxton Bragg's Department of Tennessee. Major General Buckner is assign command of a corps.
Congress establishes "general of the armies" and Ulysses S. Grant is immediately promoted to 4-star general and put in this position. William Tecumseh Sherman assumes the rank of Lt. General.