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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

    5 days ago · 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. Timeline (1914 - 1921) | A World at War - Library of Congress

    Collection Stars and Stripes: The American Soldiers' Newspaper of World War I, 1918 to 1919

  5. The Causes of WWI - World History Encyclopedia

    May 15, 2025 · The three main causes of WWI were Germany's imperialist ambitions, a rise in nationalist independence movements in the Balkans, and a complex network of international …

  6. 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 …

  7. 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 …

  8. World War I: Causes and Timeline | HISTORY

    World War I—also known as the Great War—pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States, France, Russia, Italy and Japan. New military ...

  9. 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 …

  10. World War I Memorial (U.S. National Park Service)

    May 15, 2024 · A grateful nation honors the service, valor, courage and sacrifice of the 4.7 million American sons and daughters who served in the Great War.