- 4/20 grew from humble roots to marijuana’s high holiday The Associated Press
- 420 origins traced to San Rafael’s ‘Waldos’ KTVU FOX 2 San Francisco
- 420 History: How April 20 Became Known as ‘Weed Day’ | TIME TIME
- Cannabis drinks allow people to go “Cali Sober” on 4/20 Axios
- Grassroots Support for Legalizing Marijuana Hits Record 70% news.gallup.com
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