World War I, [b] or the First World War (28 July 1914 – 11 November 1918), also known as the Great War and The War to End All Wars, was a global conflict between two coalitions: the Allies (or …

Mar 22, 2026 · 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 · World War I, also known as the Great War, started in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder escalated into a war across Europe that lasted until …

Native Americans, like millions around the world, were moved to action during World War I, highlighting a strong commitment in a global struggle that often overlooked their own rights and...

The formal Treaty of Versailles was signed on June 28, 1919, but the US Senate refused to ratify the treaty. The United States suffered 53,402 battle deaths in World War I, in less than six months of …

World War I Timeline Experience “The Great War: A Visual History” World War I Timeline Experience "The Great War: A Visual Experience"

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

Jul 7, 2009 · WWI Document Archive > Post - 1918 Documents > Peace Treaty of Versailles 28 June, 1919 Articles Articles 1 - 30 and Annex The Covenant of the League of Nations Articles 31 - 117 and …

Nov 28, 2025 · The First World War saw the mobilization of more than 65 million soldiers, and the deaths of almost 15 million soldiers and civilians combined.

World War I was fought from 1914 to 1918. Learn more about World War I combatants, battles and generals, and what caused World War I.