Photo Gallery: The Birth of Weapons of Mass Destruction

A Revolution in Killing The Technological Innovations of WWI

A new era in warfare was born on the battlefields of Flanders in 1915. German troops launched a chlorine gas attack in the first ever large-scale use of chemical weapons. It was but one of the technical innovations seen during World War I, and not all of them were as deadly.
Translated from the German by Daryl Lindsey