"Captain Christian August Max Ahlmann Valentiner (December 15, 1883 \u2013 July 19, 1949) was a German U-boat commander during World War I.He was the third highest-scoring U-boat commander of the war, and was awarded the Pour le M\u00E9rite for his achievements.He was also branded a war criminal by the Allies, for killing hundreds of civilians by sinking the Persia without warning on December 30, 1915, contrary to international law."@en . . . "1883Z"^^ . . "1883-12-15Z"^^ . "*" . . ", September 22, 1917 \u2013 July 20, 1918" . . "Valentiner, Christian August Max Ahlmann"@en . "1949Z"^^ . "Christian August Max Ahlmann Valentiner"@en . ", July 1, 1911 \u2013 April 1, 1914" . "1949-07-19Z"^^ . ", December 5, 1914 \u2013 September 15, 1917" . "*" . . ", August 3, 1914 \u2013 October 27, 1914" . "1902Z"^^ . "German World War I U-boat commander" . . . . . .