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Invasion of Poland in 1939
A joint invansion by Germany, the Soviet Union, and a small Slovak state. Also known as the September Campaign or 1939 Defensive War. -
Soviet Union invades Finland, and takes over Lithuania, Estonia, and Lativa.
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British Drop Bombs on Germany
Britain drops its first bombs on German soil -
Denmark and Norway Invasion
Germany invades Denmark and Norway with the first major airborne attacks on allied forces. -
Germans cross the French Border
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Italy joins the war as an ally of Germany
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Battle of Britain
An air war that ends in defeat for Nazi Germany -
Tripartite Pact
Pact signed by Germany, Italy, and Japan, stating an agreement between the three countries. Signed in Berlin. -
Yugoslavia Invasion
Germany, Italy, Hungary, and Bulgaria invade Yugoslavia, leading it to surrender on April 17. -
Soviet Union Invasion
Nazi Germany and its Axis partners, excluding Bulgaria, invade the Soviet Union. -
Japan Bombs Pearl Harbor
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United States declares war on Japan
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Nazi Germany & Axis powers declare war on United States
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U.S. Troops halt Japan
Halt Japan in island-hopping advance -
Axis forces surrender
Axis forces in Tunisia surrender to the Allies, ending the North African Campaign -
Germans seize control of Rome and Northern Italy
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Battle of the Bulge
The Germans launched a final offensive in the west in an attempt to reconquer Belgium and split the Allied forces along the German border. -
Hitler commits suicide
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Germany surrenders to Western Allies and Soviets
