Legality of Cannabis by U.S. Jurisdiction 19671968196919701971197219731974197519761977 Months 1972 events in South America Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Months Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Subcategories This category has the following 9 subcategories, out of 9 total. + January 1972 events in South America (1 C) February 1972 events in South America (1 P) March 1972 events in South America (1 C) June 1972 events in South America (1 C) July 1972 events in South America (1 C) August 1972 events in South America (1 P) October 1972 events in South America (1 C, 1 P) November 1972 events in South America (1 C) December 1972 events in South America (1 C)