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Adolf Hitler becomes Chancellor of Germany
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Germany invades Poland which starts WWII in Europe
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France and Britain declare war on Germany
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Poland surrenders to Germany; Germany divides Poland with the Soviet Union
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Germany invades Denmark and Norway, soon controlling their nations.
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Italy enters the war by conquering southern France
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Germany, Italy, and Japan sign the Tripartite Pact
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Period: to
Germany, Italy, and Hungary invade Yugoslavia. Germany and Bulgaria later invade Greece to support the Italians.
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Japan bombs Pearl Habor, attacking the United States
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The United States enter WWII by declaring war on Japan.
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Nazi Germany and its partners declare war on the United States
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Allied forces conquer regions revolving Tunisia, ending the North African campaign by the Allies.
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Allied forces gain control of Sicily
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Allied forces liberate Rome, gaining targets on Germany for the first time in the war.
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Allied forces break out onto Normandy to open a second front against Germany,
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The Romanian government overthrows their current regime and switches sides in the war. They later compel Bulgaria and Germany to evacuate Greece, Albania and Yugoslavia by October.
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Germans are in retreat after multiple defeats in their offensive attempts.
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The Soviets launch an offensive to circle Berlin
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Hitler commits suicide, and 8 days later Germany surrenders.
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The United States drops an atomic bomb on Hiroshima
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The United States drops a second atomic bomb on Nagasaki
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Japan surrenders, ending World War II.