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

    Oct 29, 2009 · World War I, also known as the Great War, started in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder escalated into a war across Europe that …

  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. 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...

  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. 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, …

  6. 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...

  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. Why Were American Soldiers in WWI Called Doughboys? - HISTORY

    Mar 2, 2016 · It’s unknown exactly how U.S. service members in World War I (1914-18) came to be dubbed doughboys—the term most typically was used to refer to troops deployed to …

  9. Spanish Flu - Symptoms, How It Began & Ended - HISTORY

    Oct 12, 2010 · The Spanish flu pandemic of 1918, the deadliest in history, infected an estimated 500 million people worldwide—about ...

  10. Woodrow Wilson’s 14 Points: How a Vision for World Peace Failed

    Nov 14, 2023 · President Wilson's blueprint for ending World War I and avoiding all future global disputes was ambitious—but ultimat...