World War I, [b] 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.

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

The National WWI Museum and Memorial is America's leading institution dedicated to remembering, interpreting and understanding the Great War and its enduring impact on the global community.

6 days ago · WWI saw the birth of an entirely new form of combat: lone men engaging the enemy in aerial dogfights. The victors became heroes back home, but this was as deadly an occupation as it …

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 …

The Library’s unparalleled collections include posters, recordings, newspapers, sheet music, photographs, and veterans’ stories as well as publications, exhibitions, educational tools, and …

World War I—also known as the Great War—pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States, France, Russia, Italy and Japan.

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

World War I saw the debut of the tank and chemical weapons, the widespread use of machine guns and aircraft, improvements in artillery, and the pinnacle of the age of battleships.