Timeline of Psychedelic Events

December 22, 2019

Ram Dass Dies

The spiritual teacher and psychedelic researcher/advocate was 88 years old.

October 2018

Atai Life Sciences Raises $25 Million

German entrepreneur and investor Christian Angermayer creates Atai Life Sciences and raises $25 million to study the therapeutic effects of psychedelic drugs on depression and other mental illnesses.

February 2018

NYU Begins Psilocybin-Alcoholism Study

The NYU School of Medicine starts a clinical trial to assess the effects of psilocybin-assisted therapy on people with alcohol use disorder.

September 2017

Norpsilocin is Discovered

German researchers identify norpsilocin, a new natural product of Psilocybe cubensis that originates from baeocystin.

June 3, 2016
- June 5, 2016

ICPR 2016 is Held

The 2016 Interdisciplinary Conference on Psychedelics Research (ICPR) is held in Amsterdam, the Netherlands.

July 2001

Portugal Decriminalizes All Drugs

Portugal's drug policy decriminalizes the possession of all drugs providing the amount possessed is no more than a 10-day supply.


Germany Expands Mushroom Laws

Germany expands the scope of Executive Order 698 of 1993 to include more aspects of psilocybin mushrooms including seeds, spores, and cell cultures.

October 27, 1970

CSA Places Hallucinogens on Schedule I

The Comprehensive Drug Abuse Prevention and Control Act is passed by the US Congress and psilocybin, LSD, and other hallucinogens are placed on Schedule I.

April 1962

Good Friday Experiment Begins

The Good Friday Experiment finds that psilocybin can catalyze spiritual experiences in religious people.


CIA Begins Project MKUltra

The CIA starts Project MKUltra using human subjects to develop drugs and administration procedures to be used in interrogations.

April 19, 1943

The First Bicycle Day

Albert Hofmann self-tests LSD and rides his bicycle home, describing the trip as a "horror show."

3100 B.C.E.
- 332 B.C.E.

Ancient Egyptians Grew Psychedelic Mushrooms

Some scholars believe the ancient Egyptians grew psilocybin mushrooms on barley and that the Eye of Horus may have been the cap of an entheogenic mushroom.