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Archduke Francis Ferdinand (heir to Austria-Hungary) was assassinated by a Serbian man. Spark of World War I
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Austria-Hungary declared war on Serbia.
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Russia begins mobilization to protect Serbia.
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Germany declares war on Russia.
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Britain enters war when Belgium is invaded.
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President Woodrow Wilson declares America a neutral country.
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Suffragists marched down Fifth Avenue.
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Central Powers advance to 30 miles out of Paris. Stalemate
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Preparedness supporters organized a National Security League to "promote partiotic education and national sentiment and service among people of the United States."
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Ottoman Empire joins World War I on the side of the Allies.
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Italy joins the Allies.
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German U-Boat fired on luxury passenger ship the Lusitania, killing 128 Americans causing outrage in the States.
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Bulgaria enters the war on the side of the Central Powers.
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A group of social reformers founded the Americna Union against Militarism.
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Romania enters war on Allies side.
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German U-Boat torpedoed French passenger steamship. Angers Americans further.
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Germany informs America that it will end the Sussex pledge and fire on ships without warning.
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Because Germany ended the Sussex Pledge, Wilson broke off diplomatic ties to Germany and asked Congress for permission to arm American merchant ships.
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Czar Nicholas forced to step down, and Russia became a republic. Frees Russia to truly join the Allies.
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German U-Boats sink American ships City of Memphis, Illinois, and Vigilancia. Final straw to entering WWI
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Wilson signs call to war.
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Congress passes Selective Service Act (draft).
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In May US ships began to use the convoy system to transport goods from US to GB
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Vladimir Lenin, with the help of his followers, the Bolsheviks, overthrew the republican government.
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Russia signs a truce treaty with Germany and exits the war.
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By November, 1918 more than 24 million men had registered for the draft and 3 million were chosen to fight.
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Armistice signed between Central Powers and Allies