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  Emperor Fanz Joseph of A-H declared war
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  Germany declares war on France
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  27,000 French soldiers die on this single day in an offensive thrust to the east of Paris, towards the German borders.
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  First trenches of the Western front are dug.
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  German Zeppelin air raid on England
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  1,198 civilians, including 128 Americans die.
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  Germany responds to U.S. anger by ceasing to sink ships without warning.
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  Longest battle of the war. Feb. 21-Dec. 18. Estimated at 1 million casualties and ending in a draw
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  Canadians take Vimy Ridge
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  Germany again declares unrestricted submarine warfare.
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  U.S. passes act empowering the Federal Government to draft men for armed forces
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  First wave of Americans to land in France
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  American troops in France fire their first shot in trench warfare.
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  Bolshevik socialists, led by Lenin, overthrow Kerensky's government.
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  David Lloyd George becomes Prime Minister of Britain.
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  British capture Jerusalem from the Turks and her Arab allies.
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  Two waves of influenza kill more people than the war itself. 1918-1919
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  President Wilson agrees to send volunteer troops to Russia
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  The Unknown Warrior is buried in Westminster Abbey, London.