The <a href="https://en.wikipedia.org/wiki/Chemical_Weapons_Convention" id="mwASE" rel="mw:WikiLink" title="Chemical Weapons Convention">Chemical Weapons Convention</a> of 1993 enters into force, outlawing the production, stockpiling and use of <a href="https://en.wikipedia.org/wiki/Chemical_warfare" id="mwASI" rel="mw:WikiLink" title="Chemical warfare">chemical weapons</a> by its signatories.<sup about="#mwt204" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-37"}}' id="cite_ref-37" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_29#cite_note-37" id="mwASM" style="counter-reset: mw-Ref 37;"><span class="mw-reflink-text" id="mwASQ">[37]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-37"><cite about="#mwt201" class="citation journal cs1" id="CITEREFHerby1997">Herby, Peter (30 April 1997). <a class="external text" href="https://www.icrc.org/en/doc/resources/documents/article/other/57jnja.htm" id="mwCTM" rel="mw:ExtLink nofollow">"Chemical Weapons Convention enters into force"</a>. <i id="mwCTQ">International Review of the Red Cross</i>. <b id="mwCTU">37</b> (317): 208–209. <a class="mw-redirect" href="./Doi_(identifier)" id="mwCTY" rel="mw:WikiLink" title="Doi (identifier)">doi</a>:<a class="external text" href="https://doi.org/10.1017%2FS0020860400085156" id="mwCTc" rel="mw:ExtLink nofollow">10.1017/S0020860400085156</a><span class="reference-accessdate" id="mwCTg">. Retrieved <span class="nowrap" id="mwCTk">29 November</span> 2021</span>.</cite><span about="#mwt201" class="Z3988" id="mwCTo" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=International+Review+of+the+Red+Cross&amp;rft.atitle=Chemical+Weapons+Convention+enters+into+force&amp;rft.volume=37&amp;rft.issue=317&amp;rft.pages=208-209&amp;rft.date=1997-04-30&amp;rft_id=info%3Adoi%2F10.1017%2FS0020860400085156&amp;rft.aulast=Herby&amp;rft.aufirst=Peter&amp;rft_id=https%3A%2F%2Fwww.icrc.org%2Fen%2Fdoc%2Fresources%2Fdocuments%2Farticle%2Fother%2F57jnja.htm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+29"></span></span>