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Archduke and his wife was assassinated and that cause the war.
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Austria declares war on Serbia.
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Germany declares war on France and Russia for the assassination of Archduke Ferdinand.
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The Ottoman Empire declares war on the Allies.
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A German-boat was then one who attacked and that changed everything in war.
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They decoded and handed it over to the United States.
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The United States enters the war and helps out the Allies.
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Russians leave the war and retreat.
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The President signed the ''Fourteen Points''.
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They agree to an armistice and the fighting ends.
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The Treaty of Versailles signed for peace.
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The Allies defeat the Germans and wins the first battle.