Today in World War II History—Feb. 20, 1944
75 Years Ago—Feb. 20, 1944: Allies launch Operation Argument (“Big Week”), a week-long aerial attack which devastates the German aircraft industry; RAF bombers fly 2300 sorties; US Eighth and Ninth Air Forces fly 3300 sorties from England; US Fifteenth Air Force flies 400 sorties from Italy.
Norwegian Resistance fighters blow up ferry Hydro carrying the only German shipment of heavy water (for atomic bomb) on Lake Tinnsjø, Norway.