Katyn massacre
April 1940 – May 31, 1940
Mass execution by the Soviet NKVD of about 22,000 Polish officers, police and intellectuals held as prisoners; the USSR blamed Germany until it admitted the crime in 1990.
Battles 1
September 1, 1939 – September 2, 1945
World War II
European theater — Berlin · Pacific theater — Tokyo
Dwight D. Eisenhower, Adolf Hitler, Franklin D. Roosevelt
Key commanders
Allies 16
Dwight D. Eisenhower
Supreme Allied Commander, Allied Expeditionary Force
Franklin D. Roosevelt
President, United States
Joseph Stalin
Gen Secretary of Communist Party, Soviet Union
Chiang Kai-shek
Nikita Khrushchev
Commissar, Soviet Union
Winston Churchill
Prime Minister, United Kingdom
Chester W. Nimitz
Rodion Malinovsky
Semyon Timoshenko
Kliment Voroshilov
Douglas MacArthur
military commander
George C. Marshall
Chief of Staff of the Army, United States
Omar Bradley
Georgy Zhukov
Marshal of the Soviet Union, Soviet Union
Bernard Montgomery
Field Marshal, Commander of the British Eighth Army and 21st Army Group
Josip Broz Tito
Commander, Yugoslav Partisans, Led the communist Partisans who liberated most of Yugoslavia
Axis 14
Adolf Hitler
Führer, Germany
Hirohito
Emperor, Japan
Benito Mussolini
Prime Minister, Italy
Hermann Göring
Luftwaffe Reichsmarschall, Germany
Isoroku Yamamoto
Heinrich Himmler
Reichsführer-SS, Nazi Germany
Karl Dönitz
Grand Admiral, Commander-in-Chief of the Kriegsmarine
Wilhelm Keitel
Doihara Kenji
Yoshijirō Umezu
military commander
Emilio De Bono
Hideki Tojo
Erwin Rommel
Field Marshal, Commander of the Afrika Korps and Army Group B
Joachim von Ribbentrop
Foreign Minister, Nazi Germany
