Battle of Mons

Date: August 23, 1914 • Location: Mons, Belgium

In their first major action of the First World War, the British Expeditionary Force engaged German troops in Mons, Belgium.

World War I, or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. One of the deadliest conflicts in history, World War I caused 15 to 22 million deaths, including those resulting from war crimes and genocides. The war also contributed to the spread of the Spanish flu pandemic. The conflict saw important developments in weaponry, including machine guns, artillery, aircraft, chemical weapons, and tanks.