Timeline of psychedelic legalization and decriminalization

This article contains a timeline of significant events regarding psychedelic drugs and their legalization and decriminalization for personal, religious, and/or medical use. Major psychedelics include LSD, psilocybin, mescaline, dimethyltryptamine (DMT), 5-MeO-DMT, and 2C-B. Some of these psychedelics are naturally occurring in plants, fungi, and animals, for instance in psilocybin-containing mushrooms, ayahuasca, peyote, and Sonoran Desert toad venom.

Source: Wikipedia — Timeline of psychedelic legalization and decriminalization (CC BY-SA 4.0)