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Political- The spark that statrted the first World War
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Austria- Hungary declares war on Serbia-Political
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Germany declares war on Russia- Political
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Woodrow Wilson states that USA will remain neutral in the war- Economic
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France and Germany get into combat on the western front which causes soilders to dig trenches- Military
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Heavy weapons such as machine guns, tanks, and poisen gas- Technological
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All sides have a ceasefire on Christmas Eve- Cultural
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Italy joins war on the side of the allies- Military
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Russia uses unrestricted submarine warefare to stop ships carrying food and supplies to the allies.-Military
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Alexander Kerensky begins ruling Russia- Economic
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Russian revolution begins- Social
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Nicolas II steps down from the czar position of Russia- Political
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USA declares war on Germany after Britain recieved a note meant to reach Mexico asking Mexico to become allies with Germany, in return Germany would help get land back from USA that belonged to Mec=xico.-Political
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The civil war in Russia begins- Social.
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The Bolshevik take over petrogrand- Social
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Woodrow Wilson issues his plan for peace- Economic
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The Treaty of Brest-Litovsk is signed between Russia and Germany taking Germany out of the war- Social
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Wilhem II steps down as ruler and flees Germany- Political
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Political- WWI ends
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The first meeting for the Treaty of Versailles was held- Economic
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Treaty of Versailles was signed at Versailles France- Political
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The League of Nations is formed- Economic