Pot, weed, marijuana, maryjane, cannabis, reefer....

Weed day "falls on the same weekend as National Cold Brew Day and National Record Store Day." Seems appropriate.

There are many stories behind how 420 got started as weed day. I'll just reference Wikipedia.

"Steven Hager of High Times popularized the story of the Waldos.[14] The first High Times mention of 4:20 smoking and a 4/20 holiday appeared in May 1991."

1991 was too late for me to celebrate 420. Had given up ganga long before then in order to make a living. However, I still have a "High Times" t-shirt. It's quite worn and delicate.