The history of 4/20 is somewhat hazy, but it is widely thought to be the work of a group of teenagers who in 1971 made a pact to find an abandoned cannabis crop near their homes in San Rafael, Calif., and designating 4:20 p.m. as their meeting time. The number has since taken on a mythical quality, inspiring pot enthusiasts to stage an annual day of celebratory cannabis consumption. With 4/20 revelers expected to hold smoke-filled demonstrations across the country and around the globe, here’s a round-up of what world leaders and media commentators have said about the drug legalization issue in recent days.