The Battle of the Atlantic - Western Approaches HQ Liverpool - this was probably one of more important battles; it was fought 1939 to 1943. By 1943 the battle had substantially turned in the allies favour.
Female collaborators punished after the liberation of France. "Collaborator" usually meant having had a relationship with a German. Barbarous treatment of essentially innocent women (those who truly collaborated and led the Gestapo to French resistance fighters were treated to instant shooting -- justifiably).
Woman soldier of the Red Army, Russia, Great Patriotic War, 1941. Found in the collection of the Russian State Film and Photo Archive, Krasnogorsk. (Photo by Fine Art Images/Heritage Images/Getty Images)
World War Two, Paris, France, 12th September 1944, U,S, Officers are taken on a guided tour around the disrict of Montmatre, after the liberation of France, Behind the group is the famous entertainment venue, The Moulin Rouge (Photo by Popperfoto/Getty Images)