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 …

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 …

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.

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...

World War I: In the Trenches It was the coming-of-age war for the United States, and for the men who served in combat overseas, it provided a sobering lesson in the realities of twentieth …

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 …

Nov 30, 2025 · World War I started with the shot heard around the world: the assassination of Archduke Franz Ferdinand of Austria on July 28, 1914, in Sarajevo. By 1918, more than 9 …

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

A week after the U.S. entered WWI. With the announcement of a mandatory draft just three months later in July of 1917, it quickly became clear that the war was no longer “over there”, …

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 …