<P> As the country dial - code of the Czech Republic is 420 and the rate of cannabis use there is one of the highest in the world, some foreign visitors think that cannabis is legal in this Central European country . However, those smoking cannabis outdoors will be fined and possessing more than 10 grams of marijuana is considered a crime . In 2016, Snoop Dogg displayed his knowledge of marijuana on the game show, The $100,000 Pyramid . Snoop replied without delay that the country code for the Czech Republic is 420 . He would later use the number as one of the dollar amounts in the "Face the Devil" bonus round of his 2017 reboot of the classic American TV game show The Joker's Wild . </P> <P> Following the success of Washington D.C.'s Initiative 71 to legalize cannabis in 2014, Mayor Muriel Bowser granted license plate number 420 to the campaign's leader, Adam Eidinger . </P>

Why is 420 associated with pot blame it on this group of high-school stoners