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Archduke Franz Ferdinand, the heir to the Austrian throne, was assassinated by the Serb nationalist, Gavrilo Princip, which leads to Austria declaring war on Serbia
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After the assassination, Austria delivers an ultimatum to Serbia, which they refuse. Austria declares war on Serbia in July. This causes a chain of events in which the other countries who were allied to Serbia and Austria joined their respective sides, thus creating a world war. While Germany and the Central Powers supported Austria, the Triple Entente, which included Britain, France and Russia, supported Serbia
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Germany attempted to defeat the French, but ended up having to retreat after the counterattack of the French and British, The battle also marked the end of mobile warfare and began the use of trench warfare in the Western Front.
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The British and French troops fought against the German Army near the river Somme. The battles resulted in a total of 1.5 million deaths
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After the war, France, Britain, Italy, and the US met in Versailles to create a treaty, in which they imposed harsh punishments on Germany that would cripple their economy and military power
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After a series of revolts and movements made by the Nazi part, Hitler became chancellor of Germany and obtained power in the German government
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Germany invades Poland after accusing them of crossing their borders. Britain and France declared war two days later.
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The Japanese launched a surprise attack at the naval base, killing thousands of men and sinking several ships. After the attack, the US declares war on Japan and enters WWII
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During the Potsdam conference, after Germany's surrender, Germany was divided into 4 military occupation zones
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Trials were held by judges from France, Britain, the Soviet Union, and the US to condemn the Nazis for their crimes. 12 major Nazi leaders were sentenced to death
