SM U-75
 SM U-75 was one of the 329 submarines serving in the Imperial German Navy in World War I.U-75 was engaged in naval warfare and took part in the First Battle of the Atlantic.On her first mission U-75 laid the mine that sank the cruiser HMS Hampshire during her voyage to Russia carrying British Secretary of State for War Lord Kitchener. The cruiser sank at 59°07′N 03°24′W west of the Orkney Islands with heavy loss of life in a force 9 gale.