History
This table summarizes the main treaties that precede the 1961 UN Single Convention:
| Title of Legislation | Date of Signing | Location of Signing | Date of Entry |
|---|---|---|---|
| International Opium Convention | January, 1912 | The Hague, The Netherlands | June, 1919 |
| Agreement Concerning the Suppression of the Manufacture of, Internal Trade in, and Use of, Prepared Opium | February, 1925 | Geneva, Switzerland | July, 1926 |
| International Opium Convention | February, 1925 | Geneva, Switzerland | September, 1928 |
| Convention for Limiting the Manufacture and regulating the Distribution of Narcotic Drugs | July, 1931 | Geneva, Switzerland | July, 1933 |
| Agreement for the Control of Opium Smoking in the Far East | November, 1931 | Bangkok, Thailand | April, 1939 |
| Convention for the Suppression of the Illicit Traffic in Dangerous Drugs | June, 1936 | Geneva, Switzerland | October, 1939 |
| Lake Success Protocol (amending the above Agreements, Conventions and Protocols on Narcotic Drugs) | December, 1946 | New York, USA | May, 1955 |
| Paris Protocol (bringing under international control drugs outside the scope of the Convention of 13 July 1931 for limiting the manufacture and regulating the distribution of narcotic drugs, as amended by the Protocol signed at Lake Success) | November, 1948 | Paris, France | December, 1949 |
| New York Opium Protocol (limiting and regulating the cultivation of the poppy plant, the production of, international wholesale trade in, and use of, opium) | June, 1953 | New York, USA | March, 1963 |


