1) The term "420" originated in 1971 when a group of teenagers in California designated 4:20 pm as the time to meet up to search for an abandoned cannabis crop. 2) The term evolved to become code for smoking marijuana in general. 3) An annual celebration of 420 is held on the University of Colorado Boulder's campus, drawing over 25,000 attendees in 2011, making it one of the largest marijuana celebrations in the US.

2. By far the best thing to do, as frequently as possible. Gives you a more positive perspective on your day. *Life is stressful, marijuana relieves stress like nothing else in the world. That is why I wake and bake. Morning rush traffic jams become 'good opportunities to listen to more Beatles ... Legalize it Wake and Bake

3. Hell PassNot getting the High anymore Smoking a lot lately? The THC content in your body is so high that you don’t feel the difference between high and sober. There is only one solution for that. The hell week Depending on the climate of your country you have to not smoke up and try to sweat the THC out of your system. The first joint after your hell week is guarantied to blow your mind

4. The term was allegedly coined by a group of teenagers in San Rafael, California in 1971. Calling themselves the Waldos, because "their chosen hang-out spot was a wall outside the school, "the group first used the term in connection to a fall 1971 plan to search for an abandoned cannabis crop that they had learned about.The Waldos designated the Louis Pasteur statue on the grounds of San Rafael High School as their meeting place, and 4:20 p.m. as their meeting time. The Waldos referred to this plan with the phrase "4:20 Louis". Multiple failed attempts to find the crop eventually shortened their phrase to simply "4:20", which ultimately evolved into a codeword the teens used to mean smoking weed in general. High Times Creative Director Steven Hager was the first person to track down the Waldos and publish their account of the origins of the term. Hager wrote "Are You Stoner Smart or Stoner Stupid?" (October 1998) in which he called for 4:20 p.m. to be the socially accepted hour of the day to consume cannabis. "I believe 420 is a ritualization of cannabis use that holds deep meaning for our subculture.

5. University of Colorado boulder A large celebration is held every year on the University of Colorado's Boulder campus, with attendance reaching more than 11,000 in 2008, and over 25,000 attendees in 2011. This would make CU Boulder's celebration of the hopeful legalization of marijuana one of the largest such celebrations in the United States.Universitypolice have tried various methods to prevent the gathering, including photographing students participating in the event, but the crowd has grown every year. The university and police have taken a more hands-off approach since 2006, emphasizing event safety over possession citations. Recent growth of the medical marijuana industry in Colorado is expected to add momentum to future events. On April 15, 2009, the Office of the Chancellor sent an e-mail to all CU students regarding the 2009 celebration of 4/20 stating that the event would debase "the reputation of your university and degree." The CU student newspaper disagreed with the Chancellor's analysis No possession tickets were issued at the 2009 event.