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Assassination of arch duke Franz Ferdinand.
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Austria- hungry declares war on Serbia.
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Germany declares war on Russia.
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Germany declares war on France
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The first British troops land in France.
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Britain and France declare war on Austria-Hungry.
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First confrontation on Europe.
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Austria invades Serbia.
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Germany declares the waters around British isles a war zone so ships can be sunk without warning.
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The start of the Armenian genocide.
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Italy signs treaty of London.
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Lithuania sunk.
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Battle of Somme
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Britannic sinks cause of mine.
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U-Boat conference
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A protest against czar Nicholas the second erupted into a revolution.
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America declares war on Germany.
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First American troops land in France.
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China declares war on Germany and Austria- Hungary.
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The October revolution starts in Russia.
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Spanish flu moved from France to Spain.
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The fourteen points written by Woodrow Wilson as a peace agreement.
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First recorded case of the Spanish flu in camp Funston in Kansas.
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Armistice ends all fighting on land, sea and air.
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The leaders of the allies started the Paris Peace conference.
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Germany signs the treaty of Versailles officially ending the war.
