Y2UOuWUhttp://www.snopes.com/language/stories/420.asprich1.0Snopes.comThe story of how the code '420' entered drug parlance as a term signifying the time to light up a joint.http://static.snopes.com/app/uploads/2017/04/0420.jpg142086886400<a href="http://www.snopes.com/language/stories/420.asp" data-iframely-url="//cdn.iframe.ly/Y2UOuWU"></a><script async src="//cdn.iframe.ly/embed.js" charset="utf-8"></script>