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World War I Timeline

Published on Nov 22, 2015

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PRESENTATION OUTLINE

WORLD WAR I TIMELINE

JUNE 1914

  • Archduke Franz Ferdinand was assassinated by Gavrilo Princip
  • Gavrilo Princip was part of a Serbian Nationalist group called the "Black Hand"
  • Austria-Hungary blamed Serbia and wanted to prevent Slavic nationalism
  • Knew an attack might trigger war with Russia, so they asked Germany to help
  • Russia was supported by France

MAY 1915

  • German submarine sank a British passenger ship
  • Killed 1,200 passengers, 128 Americans
  • Sussex was torpedoed and Americans on board were injured
  • Wilson's advisors wanted him to break off diplomatic relations with Germany
  • Wilson issued a last warning to Germany and created the Sussex Pledge

JANUARY 1917

  • German official sent a telegram to the German ambassador in Mexico
  • Asked him to make an offer to the Mexican gov. to ally with Germany in a war with US
  • British intelligence intercepted telegram

FEBRUARY 1917

  • Germany resumed unrestricted submarine warfare
  • U-boats sank all ships on sight
  • German U-boats sank 6 American ships
  • Pushed the US to declare war on Germany

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