1862 - CSS Alabama, commanded by Capt. Raphael Semmes, captures and burns the American bark Lafayette south of Halifax, Nova Scotia.
1864 - During the Civil War, the blockade-runner Flamingo, which is run aground off Sullivan's Island, S.C., is destroyed by shell fire from Fort Strong and Putnam, Battery Chatfield, and ships of Rear Adm. John A. Dahlgren's South Atlantic Blockading Squadron.
1942 - U.S. Navy submarine Kingfish (SS 234) sinks Japanese gunboat at the entrance to Kii Suido, Honshu.
1944 - The Battle of Leyte Gulf, considered the largest naval battle of World War II, begins with the U.S. submarines attacking two elements of the Japanese armada moving towards Leyte. In the Palawan Passage, USS Darter and USS Dace sink heavy cruisers Maya and Atago. Takao is also hit, but survives. Off Manila Bay, USS Bream's torpedoes damage the heavy cruiser Aoba.
1983 - A suicide truck bomb explodes at the Marine Barracks at Beirut Airport and kills 241 Americans (220 Marines, 18 Sailors, and three Army Soldiers).
1983 - The U.S. Navy begins preparation for Operation Urgent Fury (Grenada, West Indies), which occurs only two days later.