World War I, [d] or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a global conflict between two coalitions: the Allies (or Entente) and the Central Powers.

Jan 2, 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 …

5 days ago · 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, we explore the...

U.S. History Explore the participation of the United States in World War I, and how the war forever changed America.

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 summary: The war resulted in a dramatically changed geopolitical landscape, including the destruction of three empires: Austro-Hungarian, Ottoman and Russian.

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

Nov 15, 2018 · The WWI draft registration cards consist of approximately 24,000,000 cards of men who registered for the draft, about 23% of the population in 1918. The cards are arranged by state.

World War I (WWI or WW1), also called the First World War, or the Great War, began on 28 July, 1914 and lasted until 11 November, 1918. It was a global conflict and lasted exactly 4 years, 3 months and …