Happy 4/20 Day! Fun Facts About This Global Celebration

A group of five San Rafael High School friends known as the Waldos coined the term 420 back in 1971. After learning that a Coast Guard service member could no longer tend his plot of plants near the Point Reyes Peninsula Coast Guard station, the teens went on a mission to find this crop. With a map in hand they met up almost every day at 4:20pm to smoke and look for this elusive treasure chest. The term stuck in their circle.

But how did it go global? Read on.