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On June 28, 1914, the heir to the Austro- Hungarian throne, Archduke Francis Ferdinand, was assassinated in the Bosnian city of Sarajevo
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Austria-Hungary declares war on Serbia.
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U.S. President Woodrow Wilson announces the U.S. will remain neutral.
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The Lusitania is sunk by German forces
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Was one of the major battles during the First World War on the Western Front. It was fought between the German and French armies, from 21 February to 18 December 1916, on hilly terrain north of the city of Verdun-sur-Meuse in north-eastern France.
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On April 6, 1917, the U.S. joined its allies--Britain, France, and Russia--to fight in World War I. Under the command of Major General John J. Pershing, more than 2 million U.S. soldiers fought on battlefields in France. Many Americans were not in favor of the U.S. entering the war and wanted to remain neutral. However, the U.S. eventually did enter the war.
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British and French infantry forces attacked German defensive lines along a front about 25 miles near the Somme river in France
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Germany sends the secret Zimmerman Telegram to Mexico in an effort to entice Mexico to join the war. The British intercept and decipher the coded message
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On March 8, 1917, about 10,000 women marched through the city of Petrograd demanding Peace and Bread
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April 6 - The United States declares war on Germany.
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The Bolsheviks successfully overthrow the Russian government.
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U.S. President Woodrow Wilson issues his Fourteen Points to peace.
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The Treaty of Versailles officially ends World War 1.