Today in World War II History—May 21, 1943
Sunday, May 21, 2023 by Sarah Sundin

Theatrical poster for the American release of the 1943 film The Ox-Bow Incident (public domain via Wikipedia)
80 Years Ago—May 21, 1943: British submarine HMS Sickle attacks shipping at Monaco; a torpedo flies up the beach to explode below the Monte Carlo Casino, occupied by German officers, blowing out windows.
Movie premiere of The Ox-Bow Incident, starring Henry Fonda and Dana Andrews.

Submarine HMS Sickle, Dec 1942 (Imperial War Museum: FL 19026)