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  1. World War I - Wikipedia

    ^ Including 2,000,000 German soldiers, at least 1,000,000 Austro-Hungarians, 800,000 Ottoman troops[2] ^ Often abbreviated as WWI or WW1 ^ Only the Triple Alliance was a formal "alliance"; the …

  2. World War I | Causes, Years, Combatants, Casualties, Maps ...

    Jan 2, 2026 · Timothée Chalamet, a Neil Diamond tribute band and more in theaters for Christmas • Dec. 24, 2025, 9:14 PM ET (NPR) Wartime Christmas greetings sent by biscuit revealed in Leeds • …

  3. World War I: Summary, Causes & Facts - HISTORY

    Oct 29, 2009 · WWI was one of the deadliest conflicts in human history, with total casualties estimated at over 16 million.

  4. The United States and the First World War - World War I ...

    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. The Story of WWI in 50 Images - World History Encyclopedia

    4 days ago · The First World War (1914-18) was the first global conflict, the first mechanised conflict, and the first to involve civilians far from the fighting front. In this gallery of 50 images, we explore the...

  6. 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.

  7. 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.