May 31, 1861
- P. G. T. Beauregard ordered to assume command of the Alexandria Line.
A Chronological History of the Civil War in America1
- Rebel batteries at Acquia Creek, Va., silenced by Union gun-boats after an action lasting two hours.
- Cavalry skirmish at Fairfax Court House, Wa.
- A Chronological History of the Civil War in America by Richard Swainson Fisher, New York, Johnson and Ward, 1863