First world war date: World War I

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. 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 until 1918. 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 imperial dynasties and, in its destabilization of European society, laid the groundwork for World War II. Learn the causes and consequences of First World War (1914-1918). Presented in simple language for quick understanding and fast revision.