Today in World War II History—November 21, 1939 & 1944
80 Years Ago—November 21, 1939: In Firth of Forth, light cruiser HMS Belfast is seriously damaged by a mine (now a museum ship in London).
75 Years Ago—Nov. 21, 1944: Near Formosa, submarine USS Sealion II sinks Kongo, the only Axis battleship sunk by an Allied submarine during the war.
US Seventh and French First Armies enter Alsatian plain in France.