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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 "alliance"; the …

  2. World War I - Encyclopedia Britannica

    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. 5 Top Aces of World War I - World History Encyclopedia

    4 days ago · 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 occupation as it …

  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, please explore our …

  6. 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.

  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 World War …

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

  9. Timeline of World War I - Wikipedia

    This is a list of the events of World War I in chronological order.

  10. World War I | Britannica

    World War I: To its contemporaries, it was known simply as "the World War" or "the Great War," because it was nearly impossible to imagine a conflict that would surpass the one that shattered …