Calais Conference

Date: December 4, 1915 • Location: Paris, France

World War I: Senior British and French figures, including prime ministers H. H. Asquith and Aristide Briand, met at Calais to discuss the future of the Salonika Front.

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.