John Pope sends his Federal army probing southward from northern Virginia, while Robert E. Lee determines that Pope is the main threat to his Confederate army.
Braxton Bragg’s Confederates reach Chattanooga, Edmund Kirby Smith’s Confederates prepare to move into Kentucky, and the Federal high command expresses dissatisfaction with Don Carlos Buell’s lack of action.
Confederate forces try to retake the Louisiana capital with the help of a mighty but unreliable ironclad.
Abraham Lincoln orders the drafting of militia into the Federal armies and allows for the recruitment of blacks as military combatants for the first time.
Ulysses S. Grant’s Federal army spends August scattered and unable to mount any offensive operations in western Tennessee and northern Mississippi.
George B. McClellan is finally ordered to take his Federal Army of the Potomac off the Virginia Peninsula and use it to reinforce the new Federal army to the north.