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A Serbian nationalist assassinated Archduke Franz Ferdinand and Austria-Hungary declared war on Serbia accusing them of supporting terrorism
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Germany and Austria-Hungary were allies and Germany came to Austria-Hungary's aid. Russia then came to Serbia's aid after Austria-Hungary declared war on Serbia. Then, Germany attacked Russia.
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Germany declared war on Russia's ally France, two days after attacking Russia
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Great Britain comes into war to help Allies.
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France and Germany went into a grueling 3 year statemale
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German U Boats sink Lusitania killing 1200 people with 128 Americans
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750,000 Germans and French died. Most casualties in a battle.
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American troops arrive to reinforce the Allies.
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US joins the war after the Zimmerman telegram get leaked to the people and angers many Americans. Also joins due to overthrowing of Tsar.
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Vladimir Lenin overthrows government and establishes first communist government
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Russia falls out of war.
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Lasted 3 weeks with US Marines suffering many casualties.
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US joins war after Tsar is overthrown and replaced with provincial government
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Allies become deprived of supplies. One million US soldiers move into fortified lands into Northeastern France.
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A peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand.
