The Global Marijuana March (GMM), also referred to as the Million Marijuana March (MMM), is an annual rally held at different locations around the world on the first Saturday in May. A notable event in cannabis culture, it is associated with cannabis-themed events, which may include marches, meetings, rallies, raves, concerts, festivals, and attempts at educational outreach.
The first Global Marijuana March was held in 1999. Since then, hundreds of thousands of people have participated in over 1034 different cities in 85 nations and subnational areas. Locally, the Global Marijuana March is associated with names including Global Cannabis March, World Cannabis Day, Cannabis Liberation Day, Global Space Odyssey, Ganja Day, J Day, and Million Blunts March.