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.

3 days ago · 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 …

第一次世界大战（英语：World War I、The First World War或Great War，简称WWI或WW1，1914年7月28日－1918年11月11日），简称“一战”，是由于20世纪初资本主义国家向帝国主义过渡时政治、经 …

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 …

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

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

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

第一次世界大戰 是1914年至1918年發生的全球 軍事衝突，交戰雙方分別為 法國 、 英國 、 俄罗斯帝国 所率之 協約國，與 德國 、 奥匈帝国 、 奥斯曼帝国 所統之 同盟國。這場戰爭是當時歷史上 規模最 …

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.

Use this Timeline of World War I to find out how the war played out—from the assassination of Archduke Franz Ferdinand to the armistice in 1918.