Ref.: TRUM-05330
HMS Dreadnought 1918 HMS_Dreadnought in May 1905 , approved for construction .December 3, 1907, service , and served as flagship of the British Royal Navy 's Home Fleet until 1912 . March 18, 1916 in the First World War , and without fear in the North Sea sank the German U -29 submarine docking maintenance missed Jutland . 1916-1918 year deployed to patrol the Thames estuary . Transferred to the Reserve in 1919 . 1921 sale demolished .