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 …

Dec 27, 2025 · 1914–1918 Quick Summary Ask the Chatbot Also known as: First World War, Great War, WWI

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

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 Powers of Germany, …

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 …

Aug 23, 2022 · Gun crew from Regimental Headquarters Company, 23rd Infantry, firing 37 mm gun during an advance on German entrenched positions. View in Catalog. As the largest repository of …

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

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 ...