RMS Lusitania Sinking of the RMS Lusitania. RMS Lusitania RMS "Lusitania" was a British ocean liner and briefly the world's largest passenger ship. The ship was sunk on 7 May 1915 by a German U-boat off the southern coast of Ireland. The sinking presaged the United States declaration of war on Germany in 1917. The ship was a holder of the Blue Riband appellation for the fastest Atlantic crossing and was briefly the world's largest passenger ship until the completion of her sister ship . The Cunard Line launched "Lusitania" in 1906, at a time of fierce competition for the North Atlantic
German submarine U-250 German submarine U-250 German submarine "U-250" was a Type VIIC U-boat of Nazi Germany's navy ("Kriegsmarine") during World War II. The submarine was laid down on 9 January 1943 at the Friedrich Krupp Germaniawerft yard at Kiel as yard number 684. She was launched on 11 November 1943 and commissioned on 12 December under the command of "Kapitänleutnant" Werner-Karl Schmidt. In one patrol, she sank one ship. The boat was sunk by the Soviet submarine chaser "MO103" in the Gulf of Finland (Baltic) in July 1944. German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-250" had