100 years of drug control
The International Opium Commission, which convened in Shanghai, China, from 1 to 26 February 1909, gave rise to the first instrument of international law to deal with psychoactive substances, the International Opium Convention signed at The Hague on 23 January 1912.
A century of drug control
Stories: this day in history
21 February 1971: Signature of the Convention on Psychotropic Substances of 1971
23 January 1912: Signature of the International Opium Convention