Jan 22, 2025 · World War I, international conflict that in 1914–18 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 …

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. Military aviation advanced rapidly during the war, and dogfighting pilots won fame far …

Summary of important facts regarding World War I, major international conflict fought from 1914 to 1918. More than 25 countries eventually participated, aligning with either the Allied or the Central powers. Most of the battles took place in Europe and the Middle East.

Lists covering some of the major causes and effects of World War I, 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. The war was one of the great watersheds of 20th-century history.

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.

World War I, international conflict that in 1914–18 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.

World War I lasted from 1914 to 1918. It was known at first as the Great War and the War to End All Wars. It was the largest war that the world had seen up to that time. Most of the battles took place in Europe and the Middle East. More than 8 million soldiers and sailors died, and more than 20 million were injured.

Timeline of significant events related to World War I, from the assassination of Archduke Franz Ferdinand of Austria in 1914 to major battles during the war, including the series of final confrontations on the Western Front in 1918 known as the battles of the Meuse-Argonne.

A major international conflict fought from 1914 to 1918, World War I was the most deadly and destructive war the world had ever seen to that time. More than 25 countries eventually participated, aligned with either the Allied or the Central powers.

World War I, also called the First World War or the Great War, was 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.