WWI

Definition

World War I (WWI) was a global conflict taking place from 1914-1918 involving many world powers grouped into two opposing alliances - Allies versus Central Powers. It is known for its trench warfare and introduction of new military technology.

Related terms

Trench Warfare: A type of combat in which opposing troops fight from trenches facing each other. This was a significant aspect of WWI.

Treaty of Versailles: The peace treaty signed in 1919 that ended WWI and imposed heavy penalties on Germany, contributing to conditions leading to WWII.

Zimmermann Telegram: A secret diplomatic communication issued from the German Foreign Office in January 1917 proposing a military alliance between Germany and Mexico if the United States entered WWI against Germany.