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 began in Europe on September 1, 1939, when Germany 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.

2009年10月29日 · On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17, Soviet troops invaded Poland...

2021年11月15日 · World War II began on September 1, 1939, with the German invasion of Poland. When did WWII end in Europe? German armed forces surrendered unconditionally to the Allies on May 7, 1945.

The immediate precipitating event was the invasion of Poland by Nazi Germany on September 1, 1939, and the subsequent declarations of war on Germany made by Britain and France, but many other prior events have been suggested as ultimate causes.

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.

2007年9月6日 · World War II officially began on September 1, 1939, when Nazi Germany invaded Poland. Below is a timeline tracing some of the important events of the first week of September, 1939. World War II Timeline: September 1-September 6

Adolf Hitler’s invasion of Poland in September 1939 drove Great Britain and France to declare war on Germany, marking the beginning of World War II. Over the next six years, the conflict took...

2022年5月17日 · Lasting six years and one day, the Second World War started on 1 September 1939 with Hitler's invasion of Poland and ended with the Japanese surrender on 2 September 1945. Here, we trace the timeline of a conflict that engulfed the world, with expert insight from Professor Jeremy Black and the late Terry Charman on 20 key milestones…

What started WW2? Although a variety of different factors caused it, the main event that sparked it all was Germany's invasion of Poland in September 1939.