History of 420

“420” is a number connected with cannabis culture.

A widely known origin traces back to students in California in the early 1970s who used “4:20” as a code to meet after school.

• 4:20 PM became a symbolic time
• April 20 (420) became an informal gathering day

Today, many people recognize 420 as a cultural event with festivals and community gatherings where it’s legal.