Fatal Car Crashes Happen More Often Than Usual on 4/20, Study Finds

(TIME)  April 20, also known as “420,” is a day popular with many marijuanasmokers who see it as a “national holiday” of sorts and celebrate by getting high. The term “420” originated in the 1970s with a group of California high schoolers who would regularly meet after school at 4:20 p.m. to smoke weed.