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  1. World War I - Wikipedia

    The Bolsheviks signed an armistice followed by a separate peace shortly after their armed seizure of power. ^ Often abbreviated as WWI or WW1 ^ Only the Triple Alliance was a formal …

  2. World War I | Causes, Years, Combatants, Casualties, Maps ...

    Nov 17, 2025 · 1914–1918 Quick Summary Ask the Chatbot Also known as: First World War, Great War, WWI

  3. World War I: Summary, Causes & Facts | HISTORY

    Oct 29, 2009 · French soldiers in Verdun endure the horrors of trench warfare, a strategy that led to rampant disease, shell shock and mass casualties during WWI.

  4. World War I - Topics | Library of Congress

    Exhibition Echoes of the Great War: American Experiences of WWI Explore how Americans experienced the upheaval of world war—at home and abroad.

  5. Key Dates - National WWI Museum and Memorial

    Jul 18, 2019 · When did it end? This page provides a brief summary of the important events and battles of the war, from the start of the conflict through the peace treaties. To learn more, …

  6. Causes of World War I - Wikipedia

    The identification of the causes of World War I remains a debated issue. World War I began in the Balkans on July 28, 1914, and hostilities ended on November 11, 1918, leaving 17 million …

  7. World War I: Causes and Timeline | HISTORY

    WWI Inventions, From Pilates to Zippers, That We Still Use Today These World War I inventions made life easier during—and after—the war.

  8. 1914-1918-Online. International Encyclopedia of the First ...

    Explore the comprehensive, peer-reviewed "1914-1918-online" encyclopedia. Access 1,600+ articles on WWI from global experts.

  9. World War I | Key Facts | Britannica

    Summary of important facts regarding World War I, major international conflict fought from 1914 to 1918. More than 25 countries eventually participated, aligning with either the Allied or the …

  10. 5 Top Aces of World War I: The Fighter Pilots Who Became ...

    Dec 2, 2025 · WWI saw the birth of an entirely new form of combat: lone men engaging the enemy in aerial dogfights. The victors became heroes back home, but this was as deadly an …