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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

    Dec 27, 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. 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. 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, …

  7. WORLD WAR I OVERVIEW - HISTORY CRUNCH

    World War I began in June of 1914, and is considered to have five major causes that led to the outbreak of the war. These five causes include the four long-term causes (militarism, alliances, imperialism …

  8. World War I United States Military Records, 1917 to 1918

    Ohio, WWI Index and Return Cards, 1916-1920 - How to Use this Collection Oregon, World War I,County Military Service Records,1919-1920 - How to Use this Collection Oregon,World War I, …

  9. The 1914 Christmas Truce on Screen: Every Movie and TV Project That ...

    Dec 24, 2025 · The 1914 Christmas Truce wasn’t universal, and it didn’t last, but it’s become one of war’s most retold on-screen moments: carols over the wire, a cautious walk into no man’s land, and ...

  10. The 1914 Christmas Truce: Resisting on the front lines of WWI

    Dec 22, 2025 · 100,000 soldiers along the Western Front of World War I participated in the 1914 Christmas Truce. They left their trenches and ventured into no man’s land to embrace their …