Major areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. The war saw important developments in weaponry including tanks, aircraft, …

Jan 2, 2026 · World War I, an international conflict that in 1914–18 embroiled most of the nations of Europe along with Russia, the United States, the Middle East, and other regions.

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 …

World War I changed everything, including how humanity expressed itself through the culture and arts of the time. Learn why veterans of WWI, in a racially integrated movement, marched on …

So massive was the destruction wrought by this conflict that many thought it would be the war to end all wars--hence the eventual designation of it as “The Great War.” The United States had …

World War One (WW1) was a major global conflict that lasted four years, from 1914 to 1918. It began on 28 July 1914, when Austria-Hungary declared war on Serbia one month to the day …

From 1914 to 1918, fighting took place across several continents, at sea and, for the first time, in the air. This was war on an unprecedented scale, with battles often lasting months instead of …

In just four years between 1914 and 1918, World War I changed the face of modern warfare, becoming one of the deadliest conflicts in world history. World War I had a variety of causes,...

World War I: To its contemporaries, it was known simply as "the World War" or "the Great War," because it was nearly impossible to imagine a conflict that would surpass the one that …

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