Sank HMS Pathfinder, the first ship sunk by a torpedo fired from a submarine;World War 1 helped to drive development of the aircraft carrier and attack submarine key battlefield pieces later found in World War 2 There are a total of 78 Warships and Submarines from 1910 to 1919 entries in the Military Factory EntriesSM U21 (Germany) 22 February 1919 Sunk in an accident in position 5419N, 0342W while on passage to surrender SM U21 was one of the most famous Uboats to serve in the Imperial German Navy in World War I She was the first submarine to sink a ship with a selfpropelled torpedo She also sank the British battleships HMS Triumph and HMS
19 N 3637 German Submarine U 140
