Naval History and Heritage Command

Union gunboat squadron captures Fort Henry, Tennessee River

World powers sign the Washington Naval Treaty providing for limitation of naval armament

Lt. j.g. Carrell I. "Zoom" Pinnell, in his PB4Y-1 “Liberator” aircraft, sinks German submarine U-177 west of Ascension Island, in the South Atlantic

 U.S. Navy submarine USS Pampanito (SS 383) attacks a Japanese convoy and sinks merchant tanker Engen Maru about 200 miles northeast of Singapore.  Also on this date, USS Spadefish (SS 411) sinks Japanese merchant passenger-cargo ship Shohei Maru off Port Arthur, Korea. 

In accordance with the agreement at the Paris Peace Talks, Navy Task Force 78 begins Operation End Sweep, the mine clearance of North Vietnamese waters of mines laid in 1972.