Z12 Erich Giese

Together with Theodor Riedel and the mine layers Cobra and Roland, the Erich Giese lays the anti submarine mine field "f" MARTHA-HANS in the North Sea. 666 Mines are laid during this operation, 100 from Erich Giese.

Together with Theodor Riedel and the mine layers Cobra and Roland, the Erich Giese lays the mine field "a" MARTHA-IDA in the North Sea. 666 Mines are laid during this operation, 100 from Erich Giese.

Mine laying operation with Bernd von Arnim and Hans Lody against Cromer. During the operation, the German destroyers attack the British destroyers Juno and Jersey, damaging the Jersey with a torpedo fired from Erich Giese.

Operation Weserübung: Erich Giese joins the destroyers Georg Thiele, Wolfgang Zenker, Anton Schmitt, Bernd von Arnim, Erich Koellner, Diether von Roeder, Hans Lüdemann, Hermann Künne and Wilhelm Heidkamp in the Narvik Attack Group.

Operation Weserübung: The destroyer is sunk by the British destroyers Cossack and Foxhound west of Narvik.