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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 - Encyclopedia Britannica

    Jan 2, 2026 · 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. About WWI - National WWI Museum and Memorial

    WWI Categories WWI Essentials Learn the essentials about World War I and understand the key events and impacts of the war.

  5. 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.

  6. World War I Timeline From 1914 to 1919 - ThoughtCo

    May 13, 2025 · World War I was sparked by the assassination of Archduke Franz Ferdinand in 1914. Find out what happened after that event in this WWI timeline.

  7. 1914-1918-Online. International Encyclopedia of the First World …

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

  8. World War I Centennial - National Archives

    Aug 23, 2022 · Gun crew from Regimental Headquarters Company, 23rd Infantry, firing 37 mm gun during an advance on German entrenched positions. View in Catalog. As the largest …

  9. Timeline of World War I - Wikipedia

    "WWI Timeline". National Wwi Museum and Memorial. USA: National World War I Museum. "World War One Timeline". UK: BBC. "New Zealand and the First World War (timeline)". New …

  10. 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 …