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The Archduke of Austria Franz Ferdinand was assassinated in Sarajevo, Bosnia by Serbian assassins.
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Germany sends a telegram to Russia saying that they support Austria in doing whatever they want to punish Serbia for the assassination of Archduke Franz Ferdinand.
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Austria says that Serbia was responsible for the assassination of the Archduke Franz Ferdinand.
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Austria declares war on Serbia as a result of the assassinaion of Franz Ferdinand and Serbia's capital, Belgrade, was shelled.
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The Russian army got ready to help defend Serbia for Austrian attacks. Germany warns Russia not to help the Serbs.
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Germany declared war on Russia. It also began moving its army towards France and Belgium
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The French army was put on a war footing ready to fight any German invasion.
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Germany declared war on France and invaded Belgium, Britain ordered Germany to withdraw from Belgium
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Britain declared war on Germany as Germany was still in Belgium
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Austria declared war on Russia, and all major European powers are now at war.
