Today is the best day of the year for the cannabis community, it’s 4/20. On this day, marijuana enthusiasts from around the nation and world are celebrating the plant. Some of biggest celebrations in the U.S. are expected to happen in California and Colorado. San Francisco’s 420 in the Park is predicted to draw in thousands to the Golden Gate Park. In Denver, the 420 rally with a concert featuring rapper 2-Chainz will be free to the public. In Washington, DC the National Cannabis Festival is expected to have musical performances and education sessions. Seattle will be holding a variety of events, including a “Cannabis and Sex for Beginners” workshop and a mansion party.