. . . . . "300"^^ . "SM UB-123 was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the German Imperial Navy on 6 April 1918 as SM UB-123. UB-123 struck a mine at the North Sea Mine Barrage on 19 October 1918, all 36 crew members died in the event."@en . . . . "--02-08"^^ . "SM UB-123 was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the German Imperial Navy on 6 April 1918 as SM UB-123. UB-123 struck a mine at the North Sea Mine Barrage on 19 October 1918, all 36 crew members died in the event."@en . . "SM UB-123"@en . . . . . . . . . "UB-148 at sea, a U-boat similar to UB-123."@en . . . . . . . .