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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 lasted until …

  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 caused World War I.

  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. Outbreak of World War I - HISTORY

    Aug 24, 2018 · World War I began in 1914 after the assassination of Archduke Franz Ferdinand of Austria-Hungary set off a chain reaction of alliances.Rising nationalism, militarism and imperial …

  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. Armistice Day: World War I ends | November 11, 1918 | HISTORY

    Mar 10, 2010 · At the 11th hour on the 11th day of the 11th month of 1918, World War I ends. At 5 a.m. that morning, Germany signed ...

  7. Life in the Trenches of World War I - HISTORY

    Apr 23, 2018 · Trenches—long, deep ditches dug as protective defenses—are most often associated with World War I, and the results of trench warfare in that conflict were hellish indeed.

  8. Treaty of Versailles: Definition, Terms, Dates & WWI | HISTORY

    Oct 29, 2009 · The Treaty of Versailles was signed in 1919 and set harsh terms for Germany’s surrender to Allied powers after World ...

  9. Watch The Great War Full Episodes, Video & More | HISTORY

    "The Great War" is a four-hour cinematic documentary covering U.S. involvement in World War I in the critical year of 1918. After three years of horrific battle in the trenches of France and ...

  10. How World War I Fueled the Russian Revolution | HISTORY

    Apr 28, 2021 · World War I saw the crumbling of empires, and among those to collapse was the Russian empire of Czar Nicholas II. When Nicholas declared war against Germany and Austria-Hungary in …