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The assassination of the archduke sparked the beginning of our World War I.
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In 1914 when the heir to the throne Franz Ferdinand was killed with his wife Austria Hungary declares war on Serbia in return.
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On April 22, 1915 the German army shock allied soldiers along the western front by firing more than 150 tons of lethal chlorine gas against two French colonial divisions at Ypres, Belgium
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On May 7th 1915 a Cunard ocean liner RMS called the Lusitania was torpedoed by German U-Boats, during WWI. It sank in only 18 minutes. 1,959 died 128 were americans
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When the war began President Wilson immediately declares neutrality, and most of the U.S agrees with him.
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It was a secret diplomatic communication issued from the German Foreign Office on January 1917 that proposed a military alliance between Germany and Mexico.
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The U.S enters the war on April 2, 1917, President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany.
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On November 7 1917,Russia's Bolshevik Revolution took place as forces led by Vladimir Lenin and overthrew the provisional government of Alexander Kerensky. The provisional government came to power after the February Revolution.
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On November 11, 1918 the is officially declared over. Germany signed an armistice declaring that there will be no more fighting
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The Treaty of Versailles was the most important of the peace treaties that brought World War I to an end on June 28, 1919. The Treaty ended the state of war between Germany and the Allied Powers.The other Central Powers on the German side of World War I signed separate treaties.
