Today in World War II History—August 20, 1944
Tuesday, August 20, 2019 by Sarah Sundin

75 Years Ago—August 20, 1944: US secures Biak off New Guinea.
Off Newfoundland, aircraft from escort carrier USS Bogue sink German U-boat U-1229, which is on a mission to land German spy Oskar Mantel in Maine; 18 are killed and Mantel is captured.