Weapons of War: State Actors and Chemical Weapon through the Years

Throughout the history of warfare attempts have been made to use chemical agents as weapons of war. Most attempts were unsuccessful until the growth of the chemical industry during the latter-half of the 19th century. By the outbreak of World War I in 1914, the first military chemical agents were already in the
arsenals of the major powers.

[CBW Magazine, July-Dec 2011]