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Austria-Hungary takes over croatia
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advancement of warship construction
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russin becameallied with england
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austria-hungery takes over bosnia/serbia
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lewis gun
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Gravillo Princip kills franz ferdinanl
this assinasion starts the war -
Chlorine used
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Battle of ypres
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Tanks 1st used
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Turkey enters war
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Italy enters on allies side
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Motor machine guns used
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Gallipoli
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Battle of verdum
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battle of the somme
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Hill 60
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Submarines used
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America enters war
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Battle of le hammel
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Battle of cambrai
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battle of amiens
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German navy mutinied
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austria surrendered & Germany surrendered
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treaty of vesilles