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Archduke Franz Ferdinand and his wife were assassinated while visiting Sarajevo, Bosnia. He was next in line for the Austro-Hungarian throne. The killings set off decades old tensions in Europe and started WWI.
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Austria-Hungary declares war on Serbia because of the death of Franz Ferdinand and his wife. This war started WWI.
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On April 22, 1915 Germany artillery fired many cylinders that contained poisonous gases.The beginning attacks of gas in WWI were in the Ypres area.
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The sinking of the Lusitania angered Americans at this time. President Wilson was also well enraged, and the sinking of this ship as well as others being sunk created an anti-german feeling in the United States.
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On November 7, 1916 Woodrow Wilson was elected the president of the United States. He just barely beat Supreme Court Justice, Charles Evan Hughes, the republic candidate.
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Zimmerman's note is a secret telegram meant for Mexico asking for an alliance with Germany for when the United States entered the war. This note infuriated Americans and made an even more anti-german feeling.
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On April 2, 1917 President Wilson requested Congress for a declaration of war. He wanted to go to war with Germany, and after Congress knew that we had to defend our rights to remain a world power, Congress passed a declaration of war against Germany. Wilson signed it on April 6.
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The Russian's overthrew their government, and the leader of this event was Vladimir Lenin. They replaced their monarchy and set up a temporary government that promised free elections. This new government in Russia also vowed to to keep on the fight and to defeat the Germans once and for all.
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On November 11, 1918, the great way finally ended. On this morning, Germany was robbed of supplies and manpower and faced with close invasion. They signed an armistice in agreement with all the allies.
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The Treaty of Versailles is the most important factor that brought World War I to an end. This treaty ended war between Germany and the Allied Powers.
