Alexander and Ann Shulgin publish "PiHKAL: A Chemical Love Story."
Mycology Research Center has DEA Registration Revoked for Letting Visitors Keep Psilocybin Mushrooms
A mushroom research center in Florida has its DEA license revoked for providing psilocybin mushrooms to unlicensed people.
US Drug Enforcement Agency places MDMA on Schedule I.
Researchers find 5-HT2 receptor subtypes in the brain are an important component of the hallucinatory action of LSD and other chemically similar hallucinogens.
The Multidisciplinary Association for Psychedelic Studies is founded.
Kansas Court Rules Mushrooms are ‘Containers’ for Psilocybin if the Defendant Knows the Mushrooms Contain Psilocybin
Kansas Court of Appeals rules that mushroom are containers for psilocybin if the defendant knows they contain psilocybin.
Howard Lotsof is awarded a US patent for "Rapid method for interrupting the narcotic addiction syndrome."
Ohio Court of Appeals says that indictments must specify the chemical psilocybin, not just the scientific name of the mushroom.
Washington Court Rules Florida v. Fiske Does Not Apply Because Mushrooms Can Be ‘Containers’ for Psilocybin
The Washington State Court of Appeals rules that mushrooms are "containers" of psilocybin, contrary to the ruling of the court in Florida v Fiske.
Mexican law prohibits psilocin and psilocybin.
Albert Most (aka Ken Nelson) describes how to collect and smoke the venom of Bufo alvarius.
Study finds the levels of psilocybin and psilocin in Psilocybe cubensis grown under controlled conditions increase with repeated harvests of the fruiting bodies and are predictable compared to samples from uncontrolled outside sources.
Researchers find the total psilocybin and psilocin levels in 20 species hallucinogenic mushrooms from the Pacific Northwest US to range from 0.1% to nearly 2.0% by dry weight.
The Illinois Appellate Court rules that living mushrooms can be considered containers for psilocybin.
Researchers synthesize baeocystin from 2-methyl-2-nitrophenol.
Reflections on Sacred Drugs, Mysticism and Science
Florida Court Rules Psilocybin Mushrooms Are Not a ‘Container’ for Psilocybin Based on How the Law is Written
Florida Supreme Court rules psilocybin mushrooms are not illegal because they can't be considered a "container" for psilocybin based on how the law is written.
Researchers find baeocystin in three of 10 species of mushrooms from the US, Canada, Mexico, and Peru.
Second International Conference on Hallucinogenic Mushrooms
International Conference on Psychotropic Fungi held in Millersylvania, WA.
Terrence and Dennis McKenna publish the book using the names O.T. Oss and O.N. Oeric.
US President Richard Nixon calls drug abuse in America "public enemy number one."
United Nations Convention on Psychotropic Substances lists psilocybin as a Schedule I drug.
The UK enacts the Misuse of Drugs Act 1971, categorizing psilocybin as a Class A drug.
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.
Staggers-Dodd bill is passed, banning the possession of psilocybin and psilocin in the US.
Researchers isolate and characterize baeocystin and norbaeocystin from Psilocybe baeocystis.
FDA bans the use of psilocybin and psilocin in human, in vitro, and animal testing.
France lists psilocybin mushrooms as a narcotic.
California outlaws LSD.
Andrew Weil and Joseph Russin write a scathing critique in the Harvard Crimson about Timothy Leary and Richard Alpert's work.
Timothy Leary and Richard Alpert are fired from Harvard.
Researchers find psilocybin and psilocin sometimes act like serotonin but act against it at higher concentrations.
Study finds psilocybin and psilocin cause qualitative effects similar to mescaline, but that mescaline is longer lasting and less potent. The data also showed psilocin is more potent and shorter acting than psilocin.
The Good Friday Experiment finds that psilocybin can catalyze spiritual experiences in religious people.
Researchers study the effects mescaline and psilocybin have on spider web building.
Timothy Leary first tries pure psilocybin.
Timothy Leary first ingests psilocybin-containing mushrooms in Cuernavaca, Mexico.
Sandoz Pharmaceutical starts manufacturing psilocybin in pill form.
The Harvard Psilocybin Project is founded by Timothy Leary and Richard Alpert.
Henri Michaux publishes a first-hand account of his experience taking "psilocybin prepared from Psilocybe mexicana."
Researchers at the US National Institute of Mental Health (NIMH) find psilocybin effects begin 10-15 minutes after oral ingestion and produce effects similar to LSD.
Albert Hofmann publishes the first synthesis of psilocybin.
Albert Hofmann isolates psilocybin and psilocin from mushrooms.
French researchers obtained crystalline psilocybin and very small amounts of psilocin from both the spores and sclerotia of Psilocybe mexicana.
This is the first popular media coverage of the existence of magic mushrooms.
Psychiatrist and researcher Humphry Osmond coined the word "psychedelic."
BBC reporter Christopher Mayhew films his experience after taking mescaline.
R. Gordon Wasson, his wife Valentina, and photographer Allan Richardson participate in a mushroom velada led by Maria Sabina.
Aldous Huxley's "The Doors of Perception" is Published
The CIA starts Project MKUltra using human subjects to develop drugs and administration procedures to be used in interrogations.
Amateur mycologist Robert Gordon Wasson visits Oaxaca, Mexico and witnesses a mushroom velada.
Dr. Osmond treated over 2,000 alcoholic patients from 1954-1960 with a nearly 50% success rate.
This study may capture an early observation of the importance of the mystical experience in psychedelic therapy.
Sandoz Laboratories markets LSD under the trade name Delysid.
Albert Hofmann self-tests LSD and rides his bicycle home, describing the trip as a "horror show."
Richard Schultes publishes his thesis describing teonanacátl as a psilocybin mushroom.
Albert Hofmann synthesizes LSD-25 for the first time while working at Sandoz Laboratories in Switzerland.
Richard Schultes and Blas Pablo Reko collect psychoactive mushrooms from Mexico and take them to the herbarium at Harvard University.
American anthropologist Jean Basset Johnson and his wife Irmgard Weitlaner become the first "modern" white people to witness a mushroom velada (healing ceremony) in Huautla, Mexico.
Blas Pablo Reko confirms teonanacátl as a psilocybin mushroom, not peyote.
German chemist Richard Manske synthesizes DMT for the first time.
Belgium prohibits the cultivation of hallucinogenic mushrooms.
Timothy Leary is born in Springfield, Massachusetts.
Ernst Spath is the first to synthesize mescaline.
Science magazine publishes a first-hand psilocybin experience written by a botanist calling himself "Mr. W."
Albert Hofmann is born in Baden, Switzerland.
American mycologist Franklin Sumner Earle is the first to collect Psilocybe cubensis in Cuba.
Dybowski and Landrin Isolate Ibogaine From Tabernanthe iboga