World War II began when Germany invaded Poland in 1939. The invasion began on September 1, but the war didn't begin officially until Great Britain and France declared war on Germany. More »

World War II officially started in Europe on September 1, 1939 when Nazi Germany invaded Poland. Great Britain and France responded by formally declaring war against Germany 2 days later. The United States initially dis... More »

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World War I was fomenting due to a tangled web of alliances between the various European powers, but the catalyst for the war was the assassination of the Archduke of Austria, Franz Ferdinand. The assassination occurred ... More »

Major events of World War II include Germany's invasion of Austria, the Treaty of Munich, the subsequent German invasion of Czechoslovakia and Poland, formal declarations of war by Britain and France, the entrance of Jap... More »

The timeline of World War II officially begins in 1939, when Germany invaded Poland, causing Britain and France to declare war on Germany, and ends with Japan's surrender Sept. 2, 1945. But the first rumblings of World W... More »

World War II began when Germany invaded Poland in 1939, which caused France and Great Britain to declare war on Germany. Germany conquered a significant part of Europe from that time until 1941, but in 1942, the Allies h... More »

Although World War II was officially started by Germany invading Poland, there were several events that led up to this war. Some causes include the Treaty of Versailles and the rise of fascism. More »