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On This Day - July 4

1776American independenceAmerican colonies declare their independence from Great Britain
1842Torpedo TestFirst test of electrically operated underwater torpedo sinks gunboat Boxer
1939Tetrarch (N77)Completed
1939Thistle (N24)Completed
1940Narwhal (N45)HMS Narwhal lays minefield FD 21 (50 mines) north of Kristiansund, Norway.
1941Torbay (N79)HMS Torbay sinks two German sailing vessels with gunfire in the Doro Channel.
1942Turbulent (N98)While on patrol off Benghazi, Libya HMS Turbulent fires torpedoes at the Italian transport Nino Bixio and the German transport Ankara. The torpedoes miss.
1942Tantivy (P319)Laid Down
1943Trident (N52)HMS Trident sinks two sailing vessels with gunfire off Symi.
1943Unseen (P51)While on patrol off Cape Rizzuto, Calabria, Italy, HMS Unseen fires four torpedoes against what is identified as an Italian Regolo-class light cruiser. All torpedoes missed.
1944Sturdy (P248)HMS Sturdy sinks two Japanese tugboats and three barges with gunfire off the west coast of Siam.
1944Vox (P67)HMS Vox torpedoes and sinks a German sailing vessel off Santorini Island, Greece.
2014Ambush (S120) HMS Ambush left Faslane on July 4 to sail across the Equator to visit Rio de Janeiro in Brazil before heading for the North Atlantic and the United States.

LossesSubmarine Badges