Today in World War II History—September 13, 1939 & 1944
80 Years Ago—September 13, 1939: Germans resume offensive on Warsaw, Poland.
Stained glass in Notre Dame Cathedral in Paris is removed for safekeeping.
British civilians are allowed to carry torches (flashlights) in blackout if screened with tissue paper.
75 Years Ago—Sept. 13, 1944: In Belgium, Canadians cross Leopold Canal and Canal de Derivation, while British cross Meuse-Escaut Canal.