What Does '420' Mean In Wyoming [VIDEO]
There are many rumors about where the term "420" ((pronounced four-twenty) originated and how it became the code word for cannabis users, but the most widely excepted version revolves around a group of young pot-heads in the early 1970s called the Waldos.
US Gov. Hemp Video
While the federal government now looks at marijuana in a negative light, it once had a campaign that actually encouraged farmers to grow as much as they could.