1908 CE
The 1908 Pharmacy Act moved additional drugs to part one of the schedule.

The 1908 Pharmacy Act came forth as an amendment to the Pharmacy Act of 1868. It amended the schedule of substances to the 1868 Act, adding opium and "all preparations and admixtures containing 1 or more percent of morphine" as well as coca "and preparations or admixtures of, containing 1 or more percent of the coca alkaloids."

Source: Coomber, R. (1998). The control of drugs and drug users: reason or reaction? (Vol. 1). CRC Press.

Drugs: Coca (cocaine), Opium (morphine, heroin, opioids)
Regions: UK (England, Scotland, Wales, Northern Ireland)
Topics: Taxation and regulation