The effort was led by the group Decriminalize Nature Oakland.
Personal use and possession of psilocybin mushrooms has become a low priority for Denver law enforcement.
Possession of psilocybin mushrooms is decriminalized in Austria.
Russia bans the Reddit website after a thread discusses how to grow psilocybin mushrooms.
Washington Initiative 502 legalized marijuana use by adults age 21 and over.
US Drug Enforcement Administration Puts 5-MeO-DMT on Schedule I.
Possession of up to 40 psilocybin mushrooms is decriminalized in the Czech Republic.
The Netherlands prohibits the possession of over 5.0 g of fresh or 0.5 g of dry psychoactive mushrooms.
New section added to the penal code in Finland prohibits growing or attempting to grow Psilocybe mushrooms.
Ireland makes unprepared psilocybin mushrooms illegal.
The new UK Drugs Act 2005 goes into effect, banning fresh psilocybin mushrooms.
New Mexico Court Rules Growing Psilocybin Mushrooms for Personal Use is Not Considered “Manufacturing of a Controlled Substance”
New Mexico court rules growing psilocybin mushrooms for personal use is not the same as "manufacturing of a controlled substance."
Japanese government makes it illegal to use, produce, traffic, grow, and/or possess psilocybin mushrooms.
Possession and sale of unprepared psilocybin mushrooms become legal in the UK
Portugal's drug policy decriminalizes the possession of all drugs providing the amount possessed is no more than a 10-day supply.
Danish Ministry of Health makes growing, collecting, possession, sale, and processing of psilocybin mushrooms illegal.
Germany expands the scope of Executive Order 698 of 1993 to include more aspects of psilocybin mushrooms including seeds, spores, and cell cultures.
Royal Decree in Belgium prohibits the possession and sale of hallucinogenic mushrooms.
Sweden adds Psilocybe semilanceata to their schedule I drug list as a narcotic.
Iowa Court Rules Florida v. Fiske Does Not Apply Because Defendant Knew Mushrooms Would Be Used to Make Psilocybin
Iowa Supreme Court rules that the State of Florida v Fiske does not apply in the case of a man who knew the mushrooms he picked were going to be used to make psilocybin.
Canada enacts the Controlled Drugs and Substances Act which places psilocybin and psilocin on their schedule III drug list.
Indiana Court Rules Florida v. Fiske Does Not Apply Because Defendant Knew Mushrooms Contained Psilocybin
Indiana Court of Appeals rules that Florida v. Fiske does not apply in the case of a man found with dried psilocybin mushrooms because the defendant knew they contained psilocybin.
Germany enacts Executive Order 698 prohibiting the cultivation of psilocybin mushrooms.
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.
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.
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.
The Illinois Appellate Court rules that living mushrooms can be considered containers for psilocybin.
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.
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.
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.
Belgium prohibits the cultivation of hallucinogenic mushrooms.