SM UB-68
Introduction '''SM ''UB-68''''' was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. The U-boat was ordered on 20 May 1916.She was commissioned into the German Imperial Navy on 5 October 1917  as SM ''UB-68''. The submarine conducted five patrols and sank five ships during the war. Under the command of Karl Dönitz, on 4 October 1918 ''UB-68'' encountered technical problems and had to surface where she was sunk by gunfire at . There was one dead and thirty-three survivors. Other sources name the British warships involved in the sinking of ''UB-68'' as  and , and claim four crew members died in the event.
Summary of raiding history DateNameNationalityTonnageFate10 April 1918''Warwickshire''8,012Damaged11 April 1918''Kingstonian''6,564Damaged13 April 1918''Provence III''3,941Damaged26 April 1918''Angelina Di Paola''228Sunk1 June 1918''Angelina''1,260Sunk3 June 1918''Glaucus''5,295Sunk12 June 1918''Monginevro''5,271Damaged24 June 1918''Saint Antoine''43Sunk4 October 1918''Oopack''3,883Sunk
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