1811:	The American brig Spitfire is stopped by the British frigate Guerriere off Sandy Hook, N.Y., and the American seamen are taken aboard. On May 6, the frigate President, commanded by John Rodgers, was ordered to protect American shipping off Sandy Hook.
1822:	60 men from USS Alligator, USS Grampus, and the chartered ship Jane, capture four pirate schooners near Sugar Key, West Indies.
1898:	The American squadron, commanded by Commodore George Dewey, defeats the Spanish squadron under the command of Rear Adm. Montojo at Manila Bay, Philippines.
1934:	Lt. Frank Akers makes a hooded landing in an OJ-2 at College Park, Maryland, in the first blind landing system intended for an aircraft carrier.
1943:	USS Pogy (SS 266), in attack on a Japanese convoy, torpedoes and sinks the Japanese gunboat Keishin Maru off Iwaki, Japan.
1945:	Patrol bomber aircraft from VPB 11 and FAW-1 sink Japanese cargo vessel Kyugkoku Maru off Mokpo, Korea.
1945:	VADM Barbey lands Australian troops on Tarakan Island, Borneo, supported by naval gunfire
1951:	During the Korean War, AD-4 Skyraiders from Squadron VA-195, USS Princeton (CV-37), attack Hwachon Dam using aerial torpedoes, the only use of these weapons during the Korean War.
1980:	11 Navy ships begin operations assisting Coast Guard in rescuing Cuban refugees fleeing Cuba in overcrowded boats
2011:	President Barack Obama announces Navy SEALs raided Osama bin Ladens compound in Abbottabad, Pakistan, and killed America's most wanted terrorist during Operation Neptune Spear.