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Austria and Hungary become united under a dual monarchy
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Germany and Austria-Hungary become allies
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Due to her alliance, Russian mobilizes to support Serbia
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Serb student, Gavrilo Princip shoots Austrian Archduke Franz Ferdinand and his wife
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Unhappy at Serbia’s response, Austro-Hungary declares war on Serbia-
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Austro Hungary declared war on Russia
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France and Britain declare war on Austria-Hungary
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Germany invaded Belgium using the Schlieffen plan
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Britain declares war on Germany
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Germany declared war on France
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Germany takes territory from France at the end of the Crimean War, causing France to want revenge on Germany
