The origin of 4/20 Weed Day

April 20, or 4/20, is known as "Weed Day" in some circles because the date corresponds with a numerical code for marijuana.
April 20, or 4/20, is known as Weed Day in some circles because the date corresponds with a numerical code for marijuana.

All Things 420: A Cannabis Holiday

What is the meaning behind 420 Day? Significance and origin explained

420: HISTORY BEHIND THE MOST POPULAR TERM IN WEED CULTURE, by Auster

The origins of 4/20, marijuana's high holiday - The Columbian

The Origins of 4/20 Marijuana Day - CBS Detroit

How Four Twenty Became a Holiday in Cannabis Culture? - Soft Secrets

4/20 National Cannabis Day: The History, Celebrations and Things to Do - Happy Travelers Weed Tours

Why is 4/20 'Weed Day' and how did it start?

Medical Marijuana, Inc. Subsidiary Kannaway Got CBD Import Certificate by Russia

420 (cannabis culture) - Wikipedia

Happy 420 Photos and Images

What is 420? The meaning behind the day and how it started