How appropriate that this blog came to be mere days before April 20. Sleuths long ago debunked the myth that 420 was ever a police code. Yet the slang persists. Here are some 420 thoughts from around the web…
California’s Penal Code 420.
Last year’s Humboldt Street smoke out
The History of 420 According to Huffington Post (a clue: it began in San Rafael)
Clipping from a May 1991 issue of High Times (procured by the Huff Post)
California Senate Bill 420, signed into law in 2003