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Archduke Ferdinand shot in a parade.
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Austria declared war on serbia, russia was at war with Austria,
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Main reason was to outflank the French army.
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Turkey joins the war on Germany side.
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Trench warfare begins in Western Europe.
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Allied troops landed on the Gallopoli Peninsula
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Italy declared war on Austria and Hungry then an Italian front soon developed
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The Germans opened the Battle of Verdun
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American troops began landing in France
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The United States declared war on Germany
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Russia signed the Treaty of Brest-Litovsk
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Germany signed an armistice ending World War I