SM U-45
SM U-45 was one of the 329 submarines serving in the Imperial German Navy in World War I.
U-45 was engaged in the naval warfare and took part in the First Battle of the Atlantic.
U-45 was torpedoed and sunk in the Atlantic Ocean north of Ireland by the Royal Navy submarine on 12 September 1917 with the loss of 43 of her 45 crewmen.