World War I Several terms redirect here. For other uses, see WWI (disambiguation), The First World War (disambiguation), World War One (disambiguation), and Great War (disambiguation).

Nov 17, 2025 · 1914–1918 Ask the Chatbot Also known as: First World War, Great War, WWI Written by Dennis E. Showalter

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.

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

Exhibition Echoes of the Great War: American Experiences of WWI Explore how Americans experienced the upheaval of world war—at home and abroad.

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 …

This is a list of the events of World War I in chronological order.

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

WWI Inventions, From Pilates to Zippers, That We Still Use Today These World War I inventions made life easier during—and after—the war.

Use this Timeline of World War I to find out how the war played out—from the assassination of Archduke Franz Ferdinand to the armistice in 1918.