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Archduke Franz Ferdinand and his wife are assassinated in Sarajevo
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Emperor Franz Joseph of Austria-Hungary declares war on Serbia
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Germany declares war on France
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Austria-Hungary declares war on Russia
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Germans achieve great victory at the Battle of Tennenberg
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First battle of Marne halts the German invasion of France
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Germany declares a submarine blockade of Great Britain
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German U-Boats sink the Lusitania; 128 American citizens perish
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The Battle of Verdun begins
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President Woodrow Wilson publically warns Germany to stop unrestricted submarine warfare
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Battle of Somme begins
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Woodrow Wilson re-elected president of the United States
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German secretary Zimmermann's telegram to Mexico intercepted by the British
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Germany again declares unrestricted submarine warfare
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President wilson asked Congress for a declaration of war against Germany
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The US passed the Selective Service Act
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The first wave of the American Expeditionary Force lands in France
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Bolshevik Socialists, led by Lenin, overthrow Russian government
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The new Russian government sign an armistice with Germany
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President Wilson declares his 14 Points as the path to permanent world peace
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Baron von Richthofen, the "Red Baron," is killed in a dog-fight
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German army is stopped by American forces at Chateau-Thierry
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Allied counter offensive on the Somme push the German army into retreat mode
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German Kaiser Wilhelm II abdicates his throne
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At eleven o'clock on this historic date the guns went silent as Germany surrenders