Editing Chemical warfare (section)

===Efforts to eradicate chemical weapons===
{{See also|List of chemical arms control agreements}}
{{CW Proliferation}}
* August 27, 1874: The [[Brussels Declaration]] Concerning the Laws and Customs of War is signed, specifically forbidding the "employment of poison or poisoned weapons", although the treaty was not adopted by any nation whatsoever and it never went into effect.
* September 4, 1900: The [[Hague Convention of 1899|First Hague Convention]], which includes a declaration banning the "use of projectiles the object of which is the diffusion of asphyxiating or deleterious gases," enters into force.
* January 26, 1910: The [[Hague Convention of 1907|Second Hague Convention]] enters into force, prohibiting the use of "poison or poisoned weapons" in warfare.
* February 6, 1922: After World War I, the [[Washington Arms Conference Treaty]] prohibited the use of asphyxiating, poisonous or other gases. It was signed by the United States, Britain, Japan, France, and Italy, but France objected to other provisions in the treaty and it never went into effect.
* February 8, 1928: The [[Geneva Protocol]] enters into force, prohibiting the use of "asphyxiating, poisonous or other gases, and of all analogous liquids, materials or devices" and "bacteriological methods of warfare".