Last updated on: 8/28/2013 | Author: ProCon.org

Historical Timeline: History of Marijuana as Medicine – 2900 BC to Present

Historical Timeline: History of Marijuana as Medicine – 2900 BC to Present – Our updated timeline includes historical events ranging from Emperor Fu His referencing medical marijuana in ancient Chinese texts to CNN’s Dr. Sanjay Gupta coming out in favor of medical marijuana on Aug. 8, 2013.