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An American torpedo boat marksman behind his machine gun off the coast of New Guinea, July 1943.

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Canadian soldiers land on Courseulles Beach in Normandy during the D-Day invasion on June 6, 1944.

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Crowds gather on Paris' Champs Elysees as French tanks roll past in celebration of the liberation of France on August 26, 1944.

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The devastated remains of Hiroshima, Japan just days after U.S. forces dropped an atomic bomb on the city, killing upwards of 140,000, on August 6, 1945.

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A pile of prostheses belonging to the murdered victims of the Auschwitz concentration camp in Poland following its liberation, January 1945.

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British and American forces charge a German soldier surrendering atop his tank during the Battle of El Alamein in Egypt on October 25, 1942.

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Children of an eastern suburb of London, who have been made homeless by German bombings, sit outside the wreckage of what was their home, September 1940.

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Victims of the massive Allied bombing campaign in Dresden, Germany, February 1945.

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Adolf Hitler joins key advisors Heinrich Himmler (left) and Martin Bormann (right) in surveying a strategic map at an unspecified location, 1939.

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U.S. Gen. Douglas MacArthur wades ashore during the initial landings at Leyte, Philippine Islands in October 1944.