JULY 21ST, 1861: The USS Albatross, Commander Prentiss, engaged the CSS Beauort, Lt. R.C. Duvall, in Oregon Inlet, North Carolina. The Albatross, with heavier guns, forced the Beaufort to withdraw.
** Confederate privateer Jefferson Davis captured American bark Alvarado in the Atlantic Ocean.
** U.S. Marines commanded by Major Reynolds took part in the First Battle of Bull Run: 9 marines killed, 19 wounded and 16 missing in action. Two naval howitzers were lost in the battle.
The Confederates also had a naval battery at the battle.