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Germany invaded Poland. The attack comes without any warning or declaration of war. Poland will be partitioned between Germany and Russia.
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2 days after the invasion, Britain and France officially declared war on Germany.
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Germany use quick strikes, called blitzkrieg to take over much of western Europe including the Netherlands, Belgium, Denmark, Norway, and northern France.
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Germany launches different phases of air strikes on Britain. Britain successfully defended against the air strikes over the course of 3 months.
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The Axis Powers are formed as Germany, Italy, and Japan become an alliance with the signing of Tripartite Pact.
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Germany and the Axis Powers attacked Soviet Union with a massive force of over 4 million troops. The code name of this attack is Operation Barbarossa. The attack was a huge loss of the Soviet Powers and was a turning point of the war for Germany's defeat.
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The Japanese bombed the United States Navy in Pearl Harbor. This attack led the U.S. to enter World War II, joining the Allies.
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The Allies attack and took over Island Sicily. After this attack, the Allies advanced towards Italy.
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Italy surrenders to the Allies, however Germany helped Mussolini to escape the attack.
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Germany launched a large attack against the Allies. They lost the battle, ending World War II in Europe.
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Hitler committed suicide knowing that Germany lost the war.
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Germany surrenders to the Allies.
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The United States dropped 2 atomic bombs on Hiroshima, Japan and Nagasaki, Japan.
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Japan formally surrenders to the Allies, ending World War II.
