July 22, 1861
- George B. McClellan [US] ordered to Washington to take command of the Army of the Potomac following the defeat at Bull Run
- In a proclamation, Jefferson Davis accepts Tennessee as a member of the Confederacy
A Chronological History of the Civil War in America1
- Gens. McDowell and Mansfield superseded in command of the Army of the Potomac by Gen. McClellan. Army disorganized, and the three months’ men return home.
- State Convention of Missouri met at Jefferson City.
- A Chronological History of the Civil War in America by Richard Swainson Fisher, New York, Johnson and Ward, 1863