1924 CE
The Heroin Act of 1924 is implemented

The Heroin Act of 1924 is implemented, making the manufacture, importation and possession of heroin illegal (even for medicinal use).

Source: Sanna, E. J. (2014). Heroin and Other Opioids: Poppies' Perilous Children. Mason Crest.

Drugs: Opium (morphine, heroin, opioids)
Regions: USA (United States of America)
Topics: Prohibition