1820 - Commodore Stephen Decatur is mortally wounded in a duel with Capt. James Barron at Bladensburg, Md., over criticism on loss of USS Chesapeake, to HMS Leopard in 1807.
1915 - "Naval Aviator" replaces title "Navy Air Pilot" for officers who qualified as aviators.
1929 - The destroyers USS Robert Smith (DD 324), USS Moody (DD 277), and USS Selfridge (DD 320) are sent to protect Americans and their property during the Mexican Cristero uprising.
1943 - USS Gudgeon (SS 211) attack a Japanese convoy 30 miles north Surabaya, Java; sink an army cargo ship and survive the depth charge attack by her escort vessels. Also on this date, USS Tambor (SS 198) damages a Japanese transport Bugen Maru in the Sulu Sea, off Negros, Philippines.
1946 - USS Missouri (BB-63) departs the U.S. to return the body of deceased Turkish ambassador, Mehmet Munir Ertegun, back to his homeland for burial, and arrives in Istanbul on April 5.