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Arch-duke Francis Ferdinand and his wife are assassinated.
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Austria-Hungary declares war on Serbia.
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Russia mobilizes.
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Germany declares war on Russia.
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The Allies declare war on the Ottoman Empire.
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Germany declares war on France.
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Great Britian declares war on Germany.
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Italy betrays the Triple Alliance.
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The Lusitania is sunk.
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Serbia is eliminated from the war.
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Battle of the Somme
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Rasputin is assassinated.
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Russian women lead series of strikes.
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The United States join the war.
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Bolsheviks take power.
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Germany decides that the war is lost.
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The Armistice is signed.
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Meeting at Versailles.