In January 2020, Santa Cruz, California, became the third, and in September 2020, Ann Arbor, Michigan, the fourth US city to decriminalize psilocybin mushrooms after their city councils voted unanimously. On November 3, 2020 during the presidential elections, the state of Oregon voted in an initiative to legalize Psilocybin for mental health treatment at licensed centers and another initiative to decriminalize the possession of small amounts of all drugs. The new law came into effect on 1 February 2021. On the same day 76 percent of voters in Washington D.C. voted in favor of an initiative to decriminalize the cultivation and possession of "entheogenic plants and fungi."