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 …

Nov 17, 2025 · World War I (1914–18) was an international conflict that embroiled most of the nations of Europe along with Russia, the U.S., the Middle East, and other regions. It led to the fall of four great …

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.

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, …

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.

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

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

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 …

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 …