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As Hungary stands on the side of Nazi Germany, it expands its territory and annexes the Carpatho-Ukraine region from Czechoslovakia.
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Germany invades Poland, officially starting World War II.
(Hungary remains neutral at this point) -
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Britain and France declare war on Germany in response to the invasion of Poland.
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Germany launches invasions of Denmark and Norway, expanding the war in Europe.
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Germany invades the Soviet Union. This marks the beginning of the Eastern front.
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Japan attacks the U.S. naval base at Pearl Harbor which brings the United States into the war.
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Hungary tries to negotiate a ceasefire with the Allies and begins to distance itself from Nazi Germany and seeks peace negotiations with the Soviet Union.
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Soviet forces capture Budapest which marks a significant victory for the Allies in the Eastern Front and ends the Nazi occupation.
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Germany surrenders unconditionally, ending the war in Europe.
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Japan surrenders, officially ending World War II.