Categories Articles Legal marijuana goes on sale today in Illinois. Here are all the states where cannabis is legal. Post author By crystalg Post date January 1, 2020 Business Insider Feedburner Tags Cannabis, goes, Here, Illinois, Legal, Marijuana, Sale, states, Today ← 2019’s Top U.S. Cannabis Stories: Vape Crisis, Industry Challenges, Landmark Legalization Moves & More → BTS Successfully Counted Down to 2020 at Dick Clark’s New Year’s Rockin’ Eve