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The Archduke Franz was assassinated sparking the beginning of the first World War 1. He and his wife were killed by Gavrilo pricep
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Austria Hungary blamed Serbia for killing Archduke Franz Ferdinand
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On April 1915, German soldiers along the western front by firing more than 150 tons of lethal chlorine gas against two French colonial Belgium. This was the first major gas attack by the Germans, and it devastated the Allied line.
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The sinking of the Lusitania occurred on May 1915 during the First World War, as Germany warfare against the United Kingdom which had implemented a naval blockade of Germany.
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World War I erupts in Europe, President Woodrow Wilson formally proclaims the neutrality of the United States, a position that a vast majority of Americans favored, on August 4, 1914.
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The Zimmermann Telegram was a secret diplomatic communication issued from the German Foreign Office that proposed a military alliance between Germany and Mexico
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Lenin was the leader of the Bolsheviks He had returned to Russia . ... Lenin promised to bring an end to the war, to give land to peasants, to give workers control of factories, to take control of the banks and to give power to soviets of workers and soldiers set up throughout Russia.
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President Woodrow Wilson asked a special joint session of the United States Congress for a declaration of war against the German Empire.
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The Armistice of 11 November 1918 was the armistice that ended fighting on land, sea and air in World War I between the Allies and their last opponent, Germany.
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The Treaty of Versailles (1919) was a document signed between Germany and the Allied Powers following World War I that officially ended that war.
