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2025-03-06T19:13:41Z

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{{DISPLAYTITLE:Chemical warfare}}

[[File:Sargent,_John_Singer_(RA)_-_Gassed_-_Google_Art_Project.jpg|thumb|right|"Gassed" by John Singer Sargent, depicting the aftermath of a chemical attack during World War I.]]

'''Chemical warfare''' involves the use of toxic chemical substances as weapons. This form of warfare is distinct from the use of conventional weapons or nuclear weapons, as it relies on the toxic properties of chemical substances to inflict harm or death. Chemical warfare is considered a weapon of mass destruction and is prohibited under various international treaties.

==History==

The use of chemical weapons dates back to ancient times, but it was during [[World War I]] that chemical warfare was used on a large scale. The first large-scale use of chemical weapons occurred in 1915 when the [[German Empire]] released chlorine gas at the [[Second Battle of Ypres]]. This marked the beginning of a new era in warfare, where chemical agents were used to break the stalemate of trench warfare.

[[File:Fritz_Haber.png|thumb|left|Fritz Haber, a key figure in the development of chemical warfare during World War I.]]

The development and deployment of chemical weapons during World War I were significantly advanced by scientists such as [[Fritz Haber]], who played a crucial role in the synthesis of ammonia and the development of chemical agents like chlorine and phosgene.

After World War I, the use of chemical weapons was widely condemned, leading to the [[Geneva Protocol]] of 1925, which prohibited the use of chemical and biological weapons in warfare. Despite this, chemical weapons were used in subsequent conflicts, including the [[Second Italo-Ethiopian War]], the [[Second Sino-Japanese War]], and the [[Iran-Iraq War]].

==Types of Chemical Agents==

Chemical agents used in warfare can be classified into several categories based on their effects:

* '''Nerve agents''': These are highly toxic chemicals that disrupt the nervous system. Examples include [[sarin]], [[VX]], and [[tabun]].
* '''Blister agents''': Also known as vesicants, these cause severe skin, eye, and mucosal pain and irritation. [[Mustard gas]] is a well-known blister agent.
* '''Blood agents''': These interfere with the body's ability to use oxygen. [[Hydrogen cyanide]] and [[cyanogen chloride]] are examples.
* '''Choking agents''': These cause damage to the respiratory system. [[Chlorine]] and [[phosgene]] were used extensively during World War I.

==Protection and Defense==

[[File:Chemical_agent_protection.jpg|thumb|right|Protective gear used to defend against chemical agents.]]

Protection against chemical warfare involves the use of protective clothing, masks, and detection equipment. Modern military forces are equipped with advanced protective gear to shield personnel from chemical agents. Training and preparedness are crucial components of defense against chemical attacks.

==International Treaties and Prohibition==

The use of chemical weapons is prohibited under several international treaties, most notably the [[Chemical Weapons Convention]] (CWC), which came into force in 1997. The CWC aims to eliminate chemical weapons and prevent their use by prohibiting the development, production, acquisition, stockpiling, and transfer of chemical weapons.

==Notable Incidents==

[[File:Japanese_Special_Naval_Landing_Forces_in_Battle_of_Shanghai_1937.jpg|thumb|left|Japanese forces during the Battle of Shanghai, where chemical weapons were reportedly used.]]

Throughout history, there have been several notable incidents involving chemical warfare. During the [[Battle of Shanghai]] in 1937, Japanese forces reportedly used chemical weapons against Chinese troops. In the [[Iran-Iraq War]], both sides used chemical weapons, with Iraq deploying mustard gas and nerve agents against Iranian forces and Kurdish civilians.

==Modern Concerns==

In recent years, the threat of chemical warfare has evolved with concerns over the use of chemical agents by non-state actors and terrorist groups. The [[Syrian Civil War]] has seen allegations of chemical weapon use, prompting international condemnation and calls for accountability.

==Related pages==
* [[Biological warfare]]
* [[Nuclear warfare]]
* [[Geneva Protocol]]
* [[Chemical Weapons Convention]]

[[Category:Chemical warfare]]

Chemical warfare - Revision history

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