Marijuana IS NOT called "420".'420' is the universally adapted 'time' people smoke to show their unity. The following link was provided by stupidcableguy00 (what a stupid fucking handle, but then again the guy is a self admitted stupid cable guy) but I put it in an actual link, not a copy and paste bullshit.
http://www.parentingteens.about.com/cs/marijuana/a/420meaning.htm
