April 20th has turned into a ridiculously profitable holiday for Denver’s burgeoning marijuana industry. People travel from all over the country to partake in a handful of massive events. Of all the places Snoop Dogg could be smoking weed, he’s been in Denver the last few years to celebrate. As one friend who works in the industry said, “it’s like stoner Black Friday. There are lines out the door.”
But how exactly 420 rose to universal acceptance in the stoner world has always been a mystery. There are no shortage of theories circulating, but the Guardian took it upon itself to try and answer the question, which it did with this cheeky explainer video.