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  1. World War I: Summary, Causes & Facts | HISTORY

    Oct 29, 2009 · World War I started in 1914, after the assassination of Archduke Franz Ferdinand, and ended in 1918. During the confl...

  2. World War I Timeline: Battles & Major Events | HISTORY

    Apr 8, 2021 · This World War I timeline of battles outlines the most important engagements of the 1914-1918 war, from the first Bat...

  3. World War I: Causes and Timeline | HISTORY

    World War I was fought from 1914 to 1918. Learn more about World War I combatants, battles and generals, and what caused World War I.

  4. 8 Events that Led to World War I | HISTORY

    Apr 6, 2021 · Imperialism, nationalistic pride and mutual alliances all played a part in building tensions that would erupt into war.

  5. Armenian Genocide: Facts & Timeline - HISTORY

    Oct 1, 2010 · The Armenian genocide was the systematic killing and deportation of millions of Armenians by Ottoman Empire Turks fro...

  6. Ottoman Empire - WWI, Decline & Definition | HISTORY

    Nov 3, 2017 · The Ottoman Empire, an Islamic superpower, ruled much of the Middle East, North Africa and Eastern Europe between the...

  7. Why Did the US Enter World War I? | HISTORY

    Apr 6, 2017 · The United States entered World War I in 1917, following the sinking of the British ocean liner Lusitania and the sho...

  8. How Economic Turmoil After WWI Led to the Great Depression

    Feb 12, 2019 · World War I’s legacy of debt, protectionism and crippling reparations set the stage for a global economic disaster.

  9. Did Franz Ferdinand’s Assassination Cause World War I?

    Apr 16, 2018 · The causes of World War I have been debated since it ended—but the assassination of Archduke Franz Ferdinand was an early catalyst.

  10. What was the Zimmermann Telegram? - HISTORY

    May 21, 2014 · Most historians agree that American involvement in World War I was inevitable by early 1917, but the march to war was...