August 15, 1861
- General George McClellan assumes command of the Army of the Potomac.
- The Department of Kentucky and the Department of the Cumberland are combined under General Robert Anderson.
A Chronological History of the Civil War in America1
- President Davis ordered all Northern men to leave the Confederacy within 40 days.
- A Chronological History of the Civil War in America by Richard Swainson Fisher, New York, Johnson and Ward, 1863