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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: 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 cau...

  3. 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.

  4. The United States officially enters World War I - HISTORY

    Feb 9, 2010 · When World War I erupted in 1914, President Woodrow Wilson pledged neutrality for the United States, a position that the vast majority of Americans favored. Britain, however, was one of …

  5. 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...

  6. The Assassination of Archduke Franz Ferdinand | HISTORY

    Jun 26, 2014 · The start of World War I, the so-called "Great War" of 1914 to 1918, was triggered when a teenage Serbian revolutionary shot Archduke Franz Ferdinand, the presumptive heir to the Austro …

  7. 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...

  8. The Christmas Truce | December 25, 1914 | HISTORY

    Nov 24, 2009 · During World War I, German, Russian, French and British troops temporarily cease fighting on Christmas day.

  9. Woodrow Wilson - Presidency, Facts & Foreign Policy - HISTORY

    Oct 29, 2009 · Woodrow Wilson (1856-1924), the 28th U.S. president, served in office from 1913 to 1921 and led America through World War I (1914-1918). Remembered as an advocate for …

  10. Why Was the Battle of the Somme So Deadly? - HISTORY

    May 1, 2018 · The Battle of the Somme was one of the largest battles of World War I, and among the bloodiest in all of human history.