World War II - Wikipedia
World War II is generally considered to have begun on 1 September 1939, when Nazi Germany, under Adolf Hitler, invaded Poland, leading the United Kingdom and France to declare war on Germany. Poland was divided between Germany and the Soviet Union under the Molotov–Ribbentrop Pact.
World War II | Facts, Summary, History, Dates, Combatants ...
2025年1月17日 · World War II began in Europe on September 1, 1939, when invaded Poland. Great Britain and France responded by declaring war on Germany on September 3. The war between the U.S.S.R. and Germany began on June 22, 1941, with Operation Barbarossa, the German invasion of the Soviet Union.
World War II in Europe | Holocaust Encyclopedia
World War II was the largest and most destructive conflict in history. Adolf Hitler and the Nazi regime envisioned a vast, new empire of "living space" (Lebensraum) for Germans in eastern Europe by the removal of existing populations.
World War II: Summary, Combatants & Facts | HISTORY
2009年10月29日 · World War II, the largest and deadliest conflict in human history, involved more than 50 nations and was fought on land, sea and air in nearly every part of the world. Also known as the...
World War II Dates and Timeline - United States Holocaust ...
2021年11月15日 · Explore a timeline of key events before and during World War II. The mass murder of Europe’s Jews took place in the context of WWII. As German troops invaded and occupied more and more territory in Europe, the Soviet Union, and North Africa, the regime’s racial and antisemitic policies became more radical, moving from persecution to genocide.
History of Europe - WWII, Conflict, Nations | Britannica
2025年1月17日 · History of Europe - WWII, Conflict, Nations: World War II was the most destructive war in history. Estimates of those killed vary from 35 million to 60 million. The total for Europe alone was 15 million to 20 million—more than twice as many as in World War I.
Causes, events, and casualties of World War II | Britannica
World War II, or Second World War, (1939–45) International conflict principally between the Axis powers—Germany, Italy, and Japan—and the Allied powers—France, Britain, the U.S., the Soviet Union, and China.