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Events on November 21 in history

SM U-73
1916Nov, 21

Mines from SM U-73 sink the HMHS Britannic, the largest ship lost in the First World War.

SM U-73 was one of 329 submarines serving in the Imperial German Navy in World War I. She engaged in the commerce war as part of the First Battle of the Atlantic. U-73 has the distinction of being responsible for planting the underwater mine that later led to the sinking of the largest ship sunk during World War I, the 48,158 tons hospital ship Britannic.

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Events on 1916

  • 9Jan

    Gallipoli Campaign

    World War I: The Battle of Gallipoli concludes with an Ottoman Empire victory when the last Allied forces are evacuated from the peninsula.
  • 21Feb

    Battle of Verdun

    World War I: In France, the Battle of Verdun begins.
  • 25Feb

    Battle of Verdun

    World War I: The Germans capture Fort Douaumont during the Battle of Verdun.
  • 9Apr

    Battle of Verdun

    World War I: The Battle of Verdun: German forces launch their third offensive of the battle.
  • 31May

    Battle of Jutland

    World War I: Battle of Jutland: The British Grand Fleet under the command of John Jellicoe, 1st Earl Jellicoe and David Beatty, 1st Earl Beatty engage the Imperial German Navy under the command of Reinhard Scheer and Franz von Hipper in the largest naval battle of the war, which proves indecisive.