Skip to content
ProCon.org
  • More Issues
  • About Us
  • FAQs
  • Teachers’ Corner
Last updated on: 12/30/2011 | Author: ProCon.org

Medical Marijuana Historical Timeline

Posted on December 30, 2011 (June 24, 2020) by ProCon.org

– NEW: Medical Marijuana Historical Timeline – Our timeline traces medical marijuana from its earliest reference in 2900 BC as a popular Chinese medicine to 2011 where it remains legal in 16 states (and DC) and illegal under federal law. Read all 150+ major events in the history of medical marijuana from 90+ sources.

Posted in Our Latest Updates

Post navigation

 Should Congress pass the Stop Trading on Congressional Knowledge (STOCK) Act?Should insider trading by Congress be allowed? 
  • HOME
  • About
  • Cite This Page
  • Reprinting Policy
  • Privacy Policy
  • Disclaimer
  • Do Not Sell My Info
Contact us
ProCon/Encyclopaedia Britannica, Inc.
325 N. LaSalle Street, Suite 200
Chicago, Illinois 60654 USA

312.347.7491

procon@eb.com

© 2020 Encyclopaedia Britannica, Inc.
All rights reserved

  • X
  • Home Page
  • All Issues / Topics
    • Most Popular
      • Medical Marijuana – Should Marijuana Be a Medical Option?
      • Gun Control – Should More Gun Control Laws Be Enacted?
      • Animal Testing – Should Animals Be Used for Scientific or Commercial Testing?
      • Death Penalty – Should the Death Penalty Be Allowed?
      • Recreational Marijuana – Should Recreational Marijuana Be Legal?
      • School Uniforms – Should Students Have to Wear School Uniforms?
      • New TopicMandatory National Service – Should the United States Have Mandatory National Service?
      • Social Media – Are Social Networking Sites Good for Our Society?
      • New TopicZoos – Should Zoos Exist?
      • Illegal Immigration – What Are the Solutions to Illegal Immigration in America?
    • Topics A-Z
    • Topics by Category
    • Search
  • About Us
  • FAQs
  • Teachers’ Corner
Cite This Page

ProCon.org is the institutional or organization author for all ProCon.org pages. Proper citation depends on your preferred or required style manual. Below are the proper citations for this page according to four style manuals (in alphabetical order): the Modern Language Association Style Manual (MLA), the Chicago Manual of Style (Chicago), the Publication Manual of the American Psychological Association (APA), and Kate Turabian's A Manual for Writers of Term Papers, Theses, and Dissertations (Turabian). Here are the proper bibliographic citations for this page according to four style manuals (in alphabetical order):

  • APA
  • Chicago
  • MLA
  • Turabian
APA (6th ed.):
ProCon.org. (2011, December 30). Medical Marijuana Historical Timeline. Retrieved from https://www.procon.org/medical-marijuana-historical-timeline/

[Editor's Note: The APA citation style requires double spacing within entries.]

Chicago (17th ed.):
ProCon.org, "Medical Marijuana Historical Timeline," ProCon.org. last modified December 30, 2011. https://www.procon.org/medical-marijuana-historical-timeline/.
MLA (8th ed.):
ProCon.org, "Medical Marijuana Historical Timeline." ProCon.org. 30 Dec. 2011, www.procon.org/medical-marijuana-historical-timeline/

[Editor’s Note: The MLA citation style requires double spacing within entries.]

Turabian (8th ed.):
ProCon.org. "Medical Marijuana Historical Timeline." ProCon.org. Last modified on December 30, 2011. Accessed August 1, 2021. https://www.procon.org/medical-marijuana-historical-timeline/