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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. The United States and the First World War - World War I Memorial (U.S ...

    Library of Congress image In the summer of 1914, the assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian Empire, ignited a continental war between the Central Powers of Germany, …

  5. 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.

  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. 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.

  8. World War I - U.S. Army Center of Military History

    Cambrai, 20 November - 4 December 1917. The year that America entered the war was marked by near disaster for the Allies on all the European fronts. A French offensive in April, with which the British …

  9. Military Records Research | National Archives

    May 9, 2025 · On This Page Research by Branch Research by War or Conflict Research by Topic Research by Branch Army Navy Marine Corps Air Force Coast Guard Research by War or Conflict …

  10. Americans turned Christmas dinner into patriotic duty during WWI

    8 hours ago · The National WWI Museum reveals how wartime rationing shaped 1918 Christmas dinners with wheat-saving dishes, sugar alternatives and other creative solutions.