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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. 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. 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. How Many People Died in World War I? - HISTORY

    Apr 19, 2023 · Major powers such as Britain, France, the U.S. and Germany kept detailed records of the war’s human cost. But the carnage of World War I was so extreme and pervasive, and involved …

  7. Kaiser Wilhelm II - WWI, Abdication & Death | HISTORY

    Apr 14, 2010 · Wilhelm II (1859-1941) was the last German kaiser (emperor) and king of Prussia from 1888 to 1918, and one of the mos...

  8. 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.

  9. WWI’s Christmas Truce: When Fighting Paused for the Holiday

    Oct 29, 2018 · Over Christmas 1914, singing and soccer broke out between British and German forces.

  10. 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 ...