Timeline of cannabis history
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Timeline of cannabis history lists dated events in the history of cannabis, from fossil pollen and seeds found at excavations to the laws of the twentieth and twenty-first centuries. In each row are the date, what was found, written or done, the place, and the article that describes the event, with that article's source. Excavation sites, historical sources and laws that have pages of their own are listed in the last table.
Domestication estimates
Where and when cannabis was first domesticated are open questions.[1] The studies below name broad regions and, where they give a date, a range in years before present (BP).
| Date | Event | Place | Kind | Article |
|---|---|---|---|---|
| 15,728–6,458 BP | Domestication estimate for East Asia (Ren et al. 2021)[2]: 1, 3 | East Asia | Domestication estimate | Domestication |
| c. 4,000 BP | Hemp and drug types form (Ren et al. 2021 estimate)[2]: 3–4 | Domestication estimate | [[Domestication
| |
| 7,000–5,000 BP | Domestication estimate for Europe (Rull 2022)[1] | Europe | Domestication estimate | [[Domestication
|
| no date given | South and Central Asia (McPartland and Small 2020)[3]: 81, 86 | South Asia and Central Asia | Domestication estimate | [[Domestication
|
Events
| Date | Event | Place | Kind | Article |
|---|---|---|---|---|
| 32,600 BP | Pollen of the genus in a Narmada valley core at Baneta[4]: ESM 1 | Baneta | Reported find | [[Spread of cannabis to South Asia
|
| c. 5900–5800 BC | Earliest reported cannabis grains from China, at Zhuzhai[5] | Zhuzhai | Reported find | [[China
|
| 4600–3500 BP | Single cannabis seed reported from Kunal, Haryana[4]: ESM 1 | Kunal | Reported find | [[Spread of cannabis to South Asia
|
| c. 3,800 BP | Cannabis/Humulus-type pollen in Drotsky's Cave, Kalahari[6]: 316 | Drotsky's Cave | Reported find | [[Spread of cannabis to Africa
|
| 1400–700 BC | Cannabis seeds at Senuwar, Bihar[7] | Senuwar | Reported find | [[History of cannabis
|
| c. 2nd century | Zhang Zhongjing records the cannabis seed pill maziren wan[8] | Text written | [[Cannabis in traditional Chinese medicine
| |
| 9th century | Hemp introduced into Islamic lands, per Hamarneh[9]: 229 | Event | [[Cannabis on the Silk Road
| |
| 1070 | Tujing bencao records the damaren jiu recipe[8] | Text written | Damaren jiu | |
| 12th century | North African writers describe psychoactive uses[10]: para. 12 | North Africa | Text written | [[History of cannabis
|
| 12th–13th century | Ānandakanda devotes a chapter, the vijayākalpa, to the plant[11] | Text written | [[Tantric cannabis use in India
| |
| mid-12th century | Cannabis planted and used in Egypt under the Ayyubids[12]: 199 | Egypt | Event | [[Spread of cannabis to Africa
|
| c. 1300 | Earliest mention of the word ganja known to Grierson[13]: 246–247 | Text written | [[History of cannabis
| |
| 1511–1519 | Leo Africanus sees hashish eaten at Tunis and Constantine[14] | Tunis and Constantine | Event | [[Spread of cannabis to Africa
|
| 1513 | Spanish Crown ships hemp seed to the Indies[15]: 5–6 | Event | Spread of cannabis to the Americas | |
| 1514 | Pedrarias Dávila's fleet carries sacks of hemp seed[15]: 5–6 | Event | [[Cannabis in the Spanish Empire
| |
| 1578 | Acosta's chapter on bangue printed at Burgos[16] | Burgos | Text written | [[History of cannabis
|
| 1600s | Earliest reported writings on the plant south of the Sahara[17]: 17–18 | southern Mozambique, Madagascar and South Africa | Text written | [[Spread of cannabis to Africa
|
| 17th century | Hmong bring textile hemp to the Annamite uplands (Lemarié)[18]: 73 | Event | [[Spread of cannabis to Southeast Asia
| |
| 1607 | Port-Royal colonists take sheaves of hemp to show in France[19] | Port-Royal | Event | [[Spread of cannabis to the Americas
|
| 1619 | Virginia assembly orders householders to try hemp seed[20] | Jamestown | Law or treaty | [[Spread of cannabis to the Americas
|
| 1658 | Van Riebeeck's journal records daccha, of disputed identity[21]: 88–89[22]: 66–68 | Cape of Good Hope | Text written | [[South Africa
|
| 1666 | Talon has New France settlers sow hemp[23] | New France | Event | [[Spread of cannabis to the Americas
|
| 1688 | Dampier describes ganga, or bang, at Aceh[24] | Aceh | Text written | [[History of cannabis
|
| 1722 | East India Company tries hemp as a fibre crop in Bengal[25] | Bengal | Event | [[Bengal Presidency cannabis trade
|
| 1765 | Hemp and flax seed sown in Cagayan, Viana reports[26] | Cagayan | Event | [[Spread of cannabis to Southeast Asia
|
| 1777 | Decree orders flax and hemp grown in the Philippines[27][28] | Philippines | Law or treaty | [[History of cannabis in the Philippines
|
| 1778 | A foreman and 12 hemp farmers reach Veracruz[29]: 112 | Veracruz | Event | [[Cannabis in the Spanish Empire
|
| 1780 | Royal flax and hemp factory works in Mexico City[30]: 63 | Mexico City | Event | [[Cannabis in the Spanish Empire
|
| 1783 | Royal hemp plantation opens at Canguçu, Brazil[31]: 141 | Canguçu | Event | [[Spread of cannabis to the Americas
|
| 1793 | Regulation XXXIV licenses the making and sale of hemp drugs[32] | Bengal | Law or treaty | [[Ganja Mahal
|
| 1795 | Hemp orders and seed reach Monterey; trial at San José[33]: 620, 717 | Monterey | Event | [[Cannabis in the Spanish Empire
|
| 1807 | Earliest reported botanical mention of the plant in Jamaica[34]: 14–15 | Jamaica | Text written | [[Spread of cannabis to the Americas
|
| 1830 | Rio de Janeiro council bans the sale and use of pito do pango[35][36] | Rio de Janeiro | Law or treaty | [[Brazil
|
| after 1838 | Indentured labourers from India bring ganja to the Caribbean[37]: 58–59 | Caribbean and British Guiana | Event | Spread of cannabis to the Americas |
| 1839 | O'Shaughnessy publishes On the Preparations of the Indian Hemp[38] | Calcutta | Text written | [[Cannabis in colonial India
|
| 1839 | Backhouse sees Basotho smoking dakka at Thaba Bosiu[39] | Thaba Bosiu | Text written | [[Lesotho
|
| 1840 | Mauritius bans the import, sale and growing of cannabis[40] | Port Louis | Law or treaty | [[Spread of cannabis to Africa
|
| 1845 | Labourers from India reach Jamaica; ganja use traced to them[34]: 15–16 | Jamaica | Event | Spread of cannabis to the Americas |
| 1849 | Christison grows Indian and common hemp side by side[41]: 29 | Edinburgh | Event | [[Indian hemp
|
| 1850 | Daniell's paper on Angolan cannabis describes liamba[42] | Angola | Text written | [[Diamba
|
| 1850s | Ganja Mahal consolidated around Naogaon, northern Bengal[43][44][45] | Naogaon | Event | Ganja Mahal |
| 1851 | Earliest reported mention of cannabis in Sierra Leone[46]: 7, 9 | Sierra Leone | Event | [[Spread of cannabis to the Americas
|
| 1854 | Mauritius repeals its ban on importing cannabis[40] | Mauritius | Law or treaty | [[Spread of cannabis to Africa
|
| 1856 | Act XXI of 1856 consolidates excise law for Lower Bengal[47] | Lower Bengal | Law or treaty | [[Cannabis in colonial India
|
| 1861 | British Guiana licenses the sale of ganja and bhang[37]: 65 | British Guiana | Law or treaty | [[Spread of cannabis to the Americas
|
| 1866 | Dukerley writes on kif and tekrouri from Batna[48] | Batna | Text written | [[Algeria
|
| 1868 or 1879 | Egypt prohibits cannabis (dated 1868 or 1879)[49]: 5[50] | Egypt | Law or treaty | [[Greece
|
| 1872 | Bellevue hospital report notes a patient smoking gunga[51] | Jamaica | Text written | [[Spread of cannabis to the Americas
|
| 1872 | Bhang used on Zanzibar is imported from Bombay and Cutch[52] | Zanzibar | Event | [[Spread of cannabis to Africa
|
| 1873–74 | British Burma prohibits ganja cultivation and consumption[53] | Burma | Law or treaty | [[Spread of cannabis to Southeast Asia
|
| 1875 | Jessore cannabis industry suppressed[25] | Jessore | Event | [[Bengal Presidency cannabis trade
|
| 1885 | Trinidad lays heavy licence duties on growing ganja[37]: 62, 64, 66 | Trinidad | Law or treaty | [[Spread of cannabis to the Americas
|
| 1890 | Greece prohibits the import, growing and use of hashish[54]: 314 | Greece | Law or treaty | [[Greece
|
| 1891 | Commons question on ganja smokers in India's asylums[53] | House of Commons | Event | [[Cannabis in colonial India
|
| 1891 | Cape Colony prohibits cannabis under Act 34 of 1891[55] | Cape Colony | Law or treaty | [[South Africa
|
| 1894–1899 | Trinidad prohibits ganja; the ban is repealed in 1899[37]: 62, 64, 66 | Trinidad | Law or treaty | [[Spread of cannabis to the Americas
|
| 1906 | US Pure Food and Drug Act: labels must state cannabis indica[56] | United States | Law or treaty | [[United States
|
| 1912 | Hague opium conference advises study of Indian hemp[57] | The Hague | Law or treaty | [[Indian hemp
|
| 1915 | California prohibits possession of marihuana[58]: 113 | California | Law or treaty | [[United States
|
| 1915 | Madagascar bans the preparation, sale and use of cannabis[59] | Madagascar | Law or treaty | [[Madagascar
|
| 1917 | Naogaon growers register a ganja cultivators' cooperative[60][25] | Naogaon | Event | [[Ganja Society
|
| 1920 | Mexico prohibits the growing of and trade in marihuana[61] | Mexico | Law or treaty | [[Mexico
|
| 1921 | Earliest reported hashish production in eastern Algeria[10]: para. 12 | eastern Algeria | Event | [[Spread of cannabis to Africa
|
| 1923 | South Africa asks the League of Nations to schedule cannabis[62][63] | Event | [[South Africa
| |
| 1924 | Egypt's delegate names cannabis sweets at Geneva[64]: 133 | Geneva | Event | [[Cannabis cuisine
|
| 1924 | Governor of Aceh bans planting and selling cannabis[65] | Aceh | Law or treaty | [[Spread of cannabis to Southeast Asia
|
| 1925 | UK Dangerous Drugs Act 1925 brings in Indian hemp controls[66] | United Kingdom | Law or treaty | [[Indian hemp
|
| 1928 | South Africa bans unlicensed growing and supply of dagga[67] | South Africa | Law or treaty | [[South Africa
|
| 1930 | British India passes the Dangerous Drugs Act, 1930[68][69] | British India | Law or treaty | [[Cannabis in colonial India
|
| 1934 | Soviet decree bans sowing opium poppy and Indian hemp[70][71] | Soviet Union | Law or treaty | [[Indian hemp
|
| 1935 | Dahir lets only three tribes grow tobacco and kif[72]: 1071–1073 | northern Morocco | Law or treaty | [[History of cannabis
|
| 1935 | Thai Cannabis Act forbids planting or keeping cannabis seed[73]: 339–342 | Thailand | Law or treaty | [[Spread of cannabis to Southeast Asia
|
| 1938 | Brazil bans private growing of maconha[74] | Brazil | Law or treaty | [[Brazil
|
| 1938 | Canada prohibits unauthorised growing of cannabis[75]: 498 | Canada | Law or treaty | [[Spread of cannabis to the Americas
|
| 1938 | Salazar Viniegra publishes "El mito de la marihuana"[76] | Mexico | Text written | [[Mexico
|
| 1947 | Partition places the whole Ganja Mahal in East Pakistan[25] | East Pakistan | Event | [[Ganja Mahal
|
| 1951 | French decree schedules amba as a poisonous substance[77]: 144 | Senegal | Law or treaty | [[Senegal
|
| 1953 | Philippines makes Indian hemp a prohibited drug[78][79] | Philippines | Law or treaty | History of cannabis in the Philippines |
| 1955 | Royal kram halts all cannabis growing in Cambodia[18]: 66 | Cambodia | Law or treaty | [[Spread of cannabis to Southeast Asia
|
| 1960 | Earliest reported cannabis cultivation in Ghana[80] | Ghana | Event | [[Ghana
|
| 1966 | Indian Hemp Decree of 1966 defines Indian hemp[81] | Nigeria | Law or treaty | [[Indian hemp
|
| 1970s | Central Asian landraces brought into Nepal[3]: 84 | Nepal | Event | [[Spread of cannabis to South Asia
|
| 1989 | Licensed sales of Naogaon ganja end[25] | Naogaon | Event | [[Ganja Society
|
| 1996 | California adopts the Compassionate Use Act, Proposition 215[82] | California | Law or treaty | [[United States
|
| 2018 | Canada's Cannabis Act receives royal assent[83] | Canada | Law or treaty | [[Canada
|
| 2018 | Prince judgment ends South Africa's prohibition era[84][85] | South Africa | Event | [[South Africa
|
Texts, sites and laws
Excavation sites, historical sources and laws with pages of their own, by the year their page gives:
| Year | Entry | Kind | Page |
|---|---|---|---|
| -8,280 | Earliest reported hemp fruits, from a Jōmon layer | Archaeological find | Okinoshima site (Chiba) |
| -3,635 | Hemp DNA in rope and cloth made mainly of flax | Archaeological find | Christmas Cave |
| -1,600 | Over 800 charred cannabis seeds at a pile-dwelling site | Archaeological find | Haimenkou |
| -890 | 13 female cannabis plants laid over a man like a shroud | Archaeological find | Jiayi Cemetery |
| -800 | Burnt cannabis residue in wooden braziers in tombs | Archaeological find | Jirzankal Cemetery |
| -760 | Earliest reported cannabis use in the Near East, on an altar | Archaeological find | Tel Arad |
| -750 | 789 g of cannabis beside a man in tomb M90 | Archaeological find | Yanghai Tombs |
| -530 | Hemp-bast fabrics padding a bronze couch | Archaeological find | Hochdorf Chieftain's Grave |
| -300 | Charred hemp seeds in censers; hemp-stalk mats in graves | Archaeological find | Glinoe barrow cemetery |
| -300 | Charred hemp seed and hot stones in copper vessels | Archaeological find | Pazyryk burials |
| -165 | Over 120,000 cannabis fruits in two Han tombs | Archaeological find | Laoguanshan Cemetery |
| -150 | Earliest reported hemp seeds in France | Archaeological find | Al Poux |
| -59 | Hemp fruits in the grain store of the Marquis of Haihun | Archaeological find | Haihun Marquis cemetery |
| 315 | Δ6-THC in burnt material with a girl who died in childbirth | Archaeological find | Beit Shemesh family tomb |
| 658 | Hemp fruits in a tomb and a hemp-fibre horse tail | Archaeological find | Astana Cemetery |
| 691 | Hemp among the grain in silk bags in Murong Zhi's tomb | Archaeological find | Chashancun Cemetery |
| 1,240 | Cannabis residue in two water-pipe bowls | Archaeological find | Lalibela Cave |
| 1,961 | Single Convention adopted in New York | Law or treaty | Single Convention on Narcotic Drugs |
| 1,971 | Convention on Psychotropic Substances adopted in Vienna | Law or treaty | Convention on Psychotropic Substances |
| 1,985 | India's NDPS Act receives the President's assent | Law or treaty | Narcotic Drugs and Psychotropic Substances Act, 1985 |
| 1,988 | UN convention against illicit drug traffic adopted in Vienna | Law or treaty | United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances |
See also
References
- ↑ 1.0 1.1 Rull, Valentí (2022). "Origin, early expansion, domestication and anthropogenic diffusion of Cannabis, with emphasis on Europe and the Iberian Peninsula". Perspectives in Plant Ecology, Evolution and Systematics. 55 125670. doi:10.1016/j.ppees.2022.125670.
- ↑ 2.0 2.1 Ren, G.; Zhang, X.; Li, Y.; Ridout, K.; Serrano-Serrano, M.L.; Yang, Y.; Liu, A.; Ravikanth, G.; Nawaz, M.A.; Mumtaz, A.S.; Salamin, N.; Fumagalli, L. (2021). "Large-scale whole-genome resequencing unravels the domestication history of Cannabis sativa". Science Advances. 7 (29) eabg2286. doi:10.1126/sciadv.abg2286.
- ↑ 3.0 3.1 McPartland, J.M.; Small, E. (2020). "A classification of endangered high-THC cannabis (Cannabis sativa subsp. indica) domesticates and their wild relatives". PhytoKeys. 144: 81–112. doi:10.3897/phytokeys.144.46700.
- ↑ 4.0 4.1 McPartland, J.M.; Hegman, W.; Long, T. (2019). "Cannabis in Asia: its center of origin and early cultivation, based on a synthesis of subfossil pollen and archaeobotanical studies". Vegetation History and Archaeobotany. 28 (6): 691–702. doi:10.1007/s00334-019-00731-8.
- ↑ Dal Martello, Rita; Min, Rui; Stevens, Chris J.; Qin, Ling; Fuller, Dorian Q. (2024). "Morphometric approaches to Cannabis evolution and differentiation from archaeological sites: interpreting the archaeobotanical evidence from bronze age Haimenkou, Yunnan". Vegetation History and Archaeobotany. 33 (4): 503–518. doi:10.1007/s00334-023-00966-6.
- ↑ Merlin, M. D. (2003). "Archaeological Evidence for the Tradition of Psychoactive Plant Use in the Old World". Economic Botany. 57 (3): 295–323. doi:10.1663/0013-0001(2003)057[0295:AEFTTO]2.0.CO;2.
- ↑ Stevens, Chris J.; Murphy, Charlene; Roberts, Rebecca; Lucas, Leilani; Silva, Fabio; Fuller, Dorian Q. (2016). "Between China and South Asia: a Middle Asian corridor of crop dispersal and agricultural innovation in the Bronze Age". The Holocene. 26 (10): 1541–1555. doi:10.1177/0959683616650268. PMC 5125436.
- ↑ 8.0 8.1 Brand, E. Joseph; Zhao, Zhongzhen (2017). "Cannabis in Chinese medicine: are some traditional indications referenced in ancient literature related to cannabinoids?". Frontiers in Pharmacology. 8 108. doi:10.3389/fphar.2017.00108.
- ↑ Hamarneh, Sami (1972). "Pharmacy in medieval Islam and the history of drug addiction". Medical History. 16 (3): 226–237. doi:10.1017/S0025727300017725.
- ↑ 10.0 10.1 Duvall, Chris S. (2019). "A brief agricultural history of cannabis in Africa, from prehistory to canna-colony". EchoGéo (48). doi:10.4000/echogeo.17599.
- ↑ Wujastyk, Dominik (2002). "Cannabis in Traditional Indian Herbal Medicine". In Salema, A. (ed.). Ayurveda at the Crossroads of Care and Cure. Lisbon: Centro de História de Além-Mar. pp. 45–73. ISBN 972-98672-5-9.
- ↑ Khalifa, Ahmad M. (1975). "Traditional patterns of hashish use in Egypt". In Rubin, Vera (ed.). Cannabis and Culture. The Hague: Mouton. pp. 195–206. doi:10.1515/9783110812060.195.
- ↑ Grierson, George Abraham (1894). "Note on references to the hemp plant occurring in Sanskrit and Hindi literature". Report of the Indian Hemp Drugs Commission, 1893–1894. Vol. III. Simla: Government Central Printing Office. pp. 246–249.
- ↑ Bellakhdar, Jamal (2013). "L'histoire du chanvre au Maghreb". Hespéris-Tamuda. XLVIII: 107–141. ISSN 0018-1005.
- ↑ 15.0 15.1 Díaz-Ordóñez, M.; Rodríguez Hernández, A.J. (2017). "Cannabis sativa y Chile (1577–1700): un insumo al servicio del Imperio". TEMPUS Revista en Historia General (in español) (6): 1–21. doi:10.17533/udea.tempus.n6a01.
- ↑ Acosta, C. (1578). "Del Bangue". Tractado de las drogas, y medicinas de las Indias Orientales (in español). Burgos: Martín de Victoria. pp. 359–361 – via Internet Archive.
- ↑ Duvall, Chris S. (2019). The African Roots of Marijuana. Durham, North Carolina: Duke University Press. doi:10.1215/9781478004530. ISBN 978-1-4780-0394-6.
- ↑ 18.0 18.1 Martin, Marie Alexandrine (1975). "Ethnobotanical Aspects of Cannabis in Southeast Asia". In Rubin, Vera (ed.). Cannabis and Culture. The Hague: Mouton. pp. 63–76. doi:10.1515/9783110812060.63.
- ↑ Lescarbot, Marc (1617). Histoire de la Nouvelle-France (in français) (3rd ed.). Paris: Adrian Perier. liv. IV, chap. XVIII – via Project Gutenberg.
- ↑ "Proceedings of the Virginia Assembly, 1619". America's Oldest Legislative Assembly and Its Jamestown Statehouses. National Park Service. Retrieved 14 October 2026 – via npshistory.com.
- ↑ du Toit, B.M. (1975). "Dagga: the history and ethnographic setting of Cannabis sativa in southern Africa". In Rubin, V. (ed.). Cannabis and Culture. The Hague: Mouton. pp. 81–116. doi:10.1515/9783110812060.81.
- ↑ Gordon, D. (1996). "From rituals of rapture to dependence: the political economy of Khoikhoi narcotic consumption, c.1487–1870". South African Historical Journal. 35 (1): 62–88. doi:10.1080/02582479608671247.
- ↑ Vachon, André (1966). "Talon (Talon Du Quesnoy), Jean". Dictionary of Canadian Biography. Vol. 1. University of Toronto/Université Laval. Retrieved 29 October 2026.
- ↑ Dampier, William (1699). Voyages and Descriptions (PDF). Vol. II. London. p. 126 – via Wikimedia Commons.
- ↑ 25.0 25.1 25.2 25.3 25.4 Rahman, A.M.; Nemoto, K.; Matsushima, K.; Uddin, S.B.; Sarwar, A.K.M.G. (2022). "A History of Cannabis (Ganja) as an Economic Crop in Bangladesh from the Late 18th Century to 1989". Tropical Agriculture and Development. 66 (1): 21–32. doi:10.11248/jsta.66.21.
- ↑ Viana, F.L. de (1907). "Memorial of 1765". In Blair, E.H.; Robertson, J.A. (eds.). The Philippine Islands, 1493–1898. Vol. 48. Cleveland: Arthur H. Clark Company. p. 298. Retrieved 4 October 2026 – via Project Gutenberg.
- ↑ Artigas y Cuerva, M. (1922). "Bibliographical notes on Philippine agriculture, prefaced by a historical sketch" (PDF). The Philippine Agricultural Review. 15 (1): 5. Retrieved 3 October 2026 – via Wikimedia Commons.
- ↑ Blair, E.H.; Robertson, J.A., eds. (1907). "Events in Filipinas, 1764–1800". The Philippine Islands, 1493–1898. Vol. 50. Cleveland: Arthur H. Clark Company. pp. 47–48, 75. Retrieved 4 October 2026 – via Project Gutenberg.
- ↑ Rivera Rivera, L. (November 2013). El discurso jurídico sobre el cáñamo en la historia de México, de la Conquista a la Revolución (1521–1925) (Licenciatura thesis) (in español). Universidad Nacional Autónoma de México, Facultad de Estudios Profesionales Acatlán.
- ↑ Díaz-Ordóñez, M. (2019). "El abastecimiento militar de cáñamo para el imperio español (1665–1808): globalización, estado y empresarios en el largo siglo XVIII". Espacio, Tiempo y Forma. Serie IV, Historia Moderna (in español) (32): 45–72. doi:10.5944/etfiv.32.2019.22239.
- ↑ Menz, Maximiliano M. (2005). "Os escravos da Feitoria do Linho Cânhamo: trabalho, conflito e negociação". Afro-Ásia (in português) (32): 139–158. doi:10.9771/aa.v0i32.21090.
- ↑ Indian Hemp Drugs Commission (1894). "Memorandum on hemp drugs in Bengal, by Mr. K. G. Gupta, Commissioner of Excise, Bengal". Report of the Indian Hemp Drugs Commission, 1893–94. Vol. III: Appendices, Miscellaneous. Simla: Government Central Printing Office. app. A, "Brief historical sketch of the modes of taxation of ganja", p. 16 – via Internet Archive.
- ↑ Bancroft, H.H. (1884). History of California, vol. 1: 1542–1800. San Francisco: A.L. Bancroft & Company – via Internet Archive.
- ↑ 34.0 34.1 Rubin, Vera; Comitas, Lambros (1975). Ganja in Jamaica: A Medical Anthropological Study of Chronic Marihuana Use. The Hague: Mouton. doi:10.1515/9783110812077.
- ↑ Barros, André; Peres, Marta (2011). "Proibição da maconha no Brasil e suas raízes históricas escravocratas". Periferia (in português). 3 (2). doi:10.12957/periferia.2011.3953.
- ↑ Farias, Roberval Cordeiro de (1955). "Use of maconha (Cannabis sativa L.) in Brazil: control by health and police authorities". Bulletin on Narcotics (2). United Nations: 5–19. Retrieved 14 October 2026.
- ↑ 37.0 37.1 37.2 37.3 Banks, Jamie (2021). "Ganja madness: cannabis, insanity, and indentured labor in British Guiana and Trinidad, 1881–1912". In Richert, Lucas; Mills, James H. (eds.). Cannabis: Global Histories. Cambridge, Massachusetts: The MIT Press. pp. 57–80. doi:10.7551/mitpress/12102.003.0006.
- ↑ O'Shaughnessy, W. B. (1839). On the Preparations of the Indian Hemp, or Gunjah (Cannabis indica): Their Effects on the Animal System in Health, and Their Utility in the Treatment of Tetanus and Other Convulsive Disorders. Calcutta: Bishop's College Press – via Internet Archive.
- ↑ Backhouse, James (1844). A Narrative of a Visit to the Mauritius and South Africa. London: Hamilton, Adams, and Co. pp. 372–373 – via Internet Archive.
- ↑ 40.0 40.1 "Ordinance No. 2 of 1840". A Collection of the Laws of Mauritius and Its Dependencies. Vol. 4. 1867. p. 541 – via Google Books.
- ↑ Christison, Alexander (July 1851). "On the natural history, action, and uses of Indian hemp". Monthly Journal of Medical Science. 13 (19): 26–45. PMC 5891256.
- ↑ Duvall, Chris S. (2019). The African Roots of Marijuana. Durham, North Carolina: Duke University Press. pp. 13, 25, 27–28, 31. doi:10.1215/9781478004530. ISBN 978-1-4780-0394-6.
- ↑ Indian Hemp Drugs Commission (1894). Report of the Indian Hemp Drugs Commission, 1893–94. Vol. I: Report. Simla: Government Central Printing Office. ch. IV, "Extent of cultivation, and its tendency to increase or decrease", paras. 89–91, pp. 35–36 – via Internet Archive.
- ↑ Indian Hemp Drugs Commission (1894). Report of the Indian Hemp Drugs Commission, 1893–94. Vol. I: Report. Simla: Government Central Printing Office. ch. XVIII, "Summary", paras. 740–742, pp. 359–361 – via Internet Archive.
- ↑ Mills, James H., Cannabis Britannica: Empire, Trade, and Prohibition 1800–1928, Oxford University Press, Oxford, 2003.
- ↑ Duvall, Chris S. (2026). "Cannabis et al.: the portmanteau biota concept applied to an enslaved Central African migration". Itinerario: 1–15. doi:10.1017/S0165115326100461.
- ↑ "Appendix H: Sketch of the History of Excise Administration". Collection of Papers Relating to the Excise Administration of India (Reprinted from the Supplement to the Gazette of India, 1 March 1890). Calcutta: Superintendent of Government Printing, India. 1890. paras. 1–16, pp. 80–83 – via Gokhale Institute of Politics and Economics.
- ↑ Dukerley, Isidore (1866). "Note sur les différences que présente avec le chanvre ordinaire la variété de cette espèce connue en Algérie sous les noms de Kif et de Tekrouri". Bulletin de la Société botanique de France (in français). 13: 401–405.
- ↑ Bewley-Taylor, Dave; Blickman, Tom; Jelsma, Martin (March 2014). "The history of cannabis in the international drug control system" (PDF). The Rise and Decline of Cannabis Prohibition: The history of cannabis in the UN drug control system and options for reform (Report). Amsterdam; Swansea: Transnational Institute; Global Drug Policy Observatory.
- ↑ El Hadka, A. Ahmed (1965). "Forty years of the campaign against narcotic drugs in the United Arab Republic". Bulletin on Narcotics (4). United Nations: 1–12.
- ↑ Prince, Raymond; Greenfield, Rochelle; Marriott, John (1972). "Cannabis or alcohol? Observations on their use in Jamaica". Bulletin on Narcotics (1). United Nations: 1–9.
- ↑ Burton, Richard F. (1872). Zanzibar; City, Island, and Coast. Vol. 1. London: Tinsley Brothers – via Project Gutenberg.
- ↑ 53.0 53.1 Papers Relating to the Consumption of Ganja and Other Drugs in India (Return to an Address of the House of Commons, dated 21 February 1893). London: Her Majesty's Stationery Office. 1893 – via Gokhale Institute of Politics and Economics.
- ↑ Stefanis, C.; Ballas, C.; Madianou, D. (1975). "Sociocultural and Epidemiological Aspects of Hashish Use in Greece". In Rubin, Vera (ed.). Cannabis and Culture. The Hague: Mouton. pp. 303–326. doi:10.1515/9783110812060.303.
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