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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. 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...

  5. Why World War I Ended With an Armistice Instead of a Surrender

    Oct 31, 2018 · On the 11th hour of the 11th day of the 11th month of 1918, fighting in World War I halted-but it would not be until ...

  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. Germany’s World War I Debt Was So Large It Took 91 Years to Pay Off

    Jun 27, 2019 · After the Treaty of Versailles called for punishing reparations, <br> economic collapse, the rise of Naziism, and another world war thwarted Germany's ability to pay.

  8. The WWI Origins of the Poppy as a Remembrance Symbol - HISTORY

    May 25, 2017 · The Remembrance Day symbolism of the poppy started with a poem written by a World War I brigade surgeon who was struck by the sight of the red flowers growing on a ravaged battlefield.

  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. 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...