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archduke was assassinated in Sarajevo, his death leads to war
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Germany invades Belgium, following the Schlieffen plan. They tried to capture Paris.
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Russia intervenes against Austria in favor to its allies making other parks of Europe to do the same thing
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The Germans used mustard gas to kill other soldiers, this was a big deal because this was the first major attack by the Germans it destroyed others over the allied line
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The ship had been shot at and in less than 20 minutes the bot sank killing 1,198 people 128 being Americans
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The Battle of Verdun begins between France and Germany.It last until December of 1916 and will finally result in french winning
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The British intercept the Zimmerman Telegram, Germany tries to talk Mexico into joining the war. This will result in the United States declaring war on Germany.
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President Woodrow Wilson made the Fourteen Points for peace and an end to the war.
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the treaty is signed and brings war to an end.