Four years into cannabis legalization in Illinois, celebrations of the April 20 informal weed holiday known as 420 are getting bigger and more widespread. Named for the time of day a group of friends met to get high, 420 has become a chance for marijuana users to publicly share a previously illegal drug and the counter-cultural atmosphere surrounding it. The main event in downtown Chicago .
Celebrations planned to mark 420 — the unofficial cannabis holiday chicagotribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chicagotribune.com Daily Mail and Mail on Sunday newspapers.
Read on to find out about how 4/20 came about, some frequently asked questions about Delta-8 weed alternative and a weed syndrome that causes vomiting, and some events that fall on the high holiday.