^ 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 …

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 …

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

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 …

Jan 12, 2026 · 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, …

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

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.

Nov 30, 2025 · World War I started with the shot heard around the world: the assassination of Archduke Franz Ferdinand of Austria on July 28, 1914, in Sarajevo. By 1918, more than 9 …

Also called The Great War, World War I was one of the deadliest conflicts in history, and set the stage for another world war just 20 years later.

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