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Archduke Franz ferdinand was assassinated
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Austia-Hungary declares war on serbia
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Germany declared war on Russia
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Germany declares war on France
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The United Kingdom declares war on germany
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Austria-Hungary declares war on russia and serbia declares war on Germany
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Battle of Tannenberg begins
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lusitania is sunk by a german U-boat
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Battle of Verdun begins
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Battle of somme begins
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Germany sends the secret Zimmerman telegram to mexico while british intelegence intercept it
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America declares war on germany
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Bolsheviks succesfuly overthrow the russian government
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the armistice agreed upon between the russian government and the central powers
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woodrow wilson issues his 14 point plan
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Germany signs the armistice
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The treaty of Versailles oficially ends world war 1