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May 11, 2024 · Chemical weapon, any of several chemical compounds, usually toxic agents, that are intended to kill, injure, or incapacitate. In modern warfare, chemical weapons were first used in World War I (1914–18). Like nuclear and biological weapons, chemical weapons are often classified as weapons of mass destruction.
- Barry R. Schneider
May 12, 2015 · Although many have invented, developed, or deployed chemical weapons throughout history, Haber used his considerable intelligence to militarize chemistry in World War I; in April 1915 at Ypres he witnessed the first fruits of this labor, the first large-scale use of chemical weapons in contemporary warfare.
The first recorded modern proposal for the use of chemical warfare was made by Lyon Playfair, Secretary of the Science and Art Department, in 1854 during the Crimean War. He proposed a cacodyl cyanide artillery shell for use against enemy ships as way to solve the stalemate during the siege of Sevastopol.
Simple chemical weapons were used sporadically throughout antiquity and into the Industrial age. [9] It was not until the 19th century that the modern conception of chemical warfare emerged, as various scientists and nations proposed the use of asphyxiating or poisonous gases. [10]
Apr 10, 2018 · Chemical weapons have a long, lethal history. Accounts of ancient chemical warfare, including the use of poisonous smoke and arrows, date back as far as the 12th century, B.C.E.
About 70 different chemicals have been used or were stockpiled as chemical warfare agents during the 20th century. The entire class, known as Lethal Unitary Chemical Agents and Munitions, has been scheduled for elimination by the CWC. [5]
History was made on 29 April 1997 with the entry into force of the Chemical Weapons Convention (CWC)—the world’s first multilateral disarmament agreement to provide for the elimination of an entire category of weapons of mass destruction within a fixed time frame. The Chemical Weapons Convention entered into force on 29 April 1997.
