| 21 June 1920 |
|
International Convention for the Creation at Paris of an International Institute of Refrigeration |
| 6 October 1921 |
|
International Convention of October 6, 1921, modifying the International Convention of May 20, 1875, for assuring The International Uniformity and Perfection of the Metric System, Together with the International Convention of 1875 |
| 25 January 1946 |
1 December 1943 |
Agreement between His Majesty's Government in the United Kingdom and the Government of the United States of America on the Principles applying to the Exchange of Information relating to the Synthesis of Pencillin |
| 26 June 1946 |
|
Contract between the United Kingdom and the United States of America regarding the use by the United States Government of information, drawings, designs and inventions relating to Jet Propulsion Engines |
| 1 December 1954 |
|
Agreement concerning the International Institute of Refrigeration |
| 1 November 1956 |
1 November 1956 |
Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America for the establishment in Barbados of an Oceanographic Research Station |
| 27 November 1956 |
27 November 1956 |
Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America for the establishment of an Oceanographic Research Station in the Turks and Caicos Islands |
| 15 December 1958 |
1 January 1959 |
European Convention on the Exchange of Therapeutic Substances of Human Origin [ETS No. 26] |
| 16 March 1959 |
16 April 1959 |
Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America concerning the Establishment and Operation of a Radar Station on the Island of Grand Turk in the Turks and Caicos Islands |
| 23 September 1963 |
23 September 1963 |
Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America extending the Agreement signed at London on March 15, 1961, for the Establishment in Bermuda of a Space Vehicle Tracking and Communications Station |
| 28 March 1966 |
1 April 1966 |
Exchange of Notes relating to the Oceanic Area Control Centres at Prestwick and Shannon (Shanwick Oceanic Control Area) and Memorandum of Understanding |
| 9 March 1967 |
9 March 1967 |
Agreement for Science and Technological Co-operation between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Socialist Republic of Rumania |
| 18 January 1968 |
5 September 1968 |
Agreement on Technical Co-operation between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Brazil |
| 13 February 1969 |
2 May 1970 |
Agreement Establishing the European Molecular Biology Conference |
| 25 February 1975 |
6 January 1976 |
Basic Agreement on Scientific and Technical Cooperation between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United Mexican States (with Exchange of Notes) |
| 17 December 1975 |
29 April 1977 |
Protocol concerning the Exploitation of a Pre-Operational Meteorological Satellite (Meteosat) |
|
1 July 1998 |
International Code for Application of Fire Test Procedures (Resolution MSC.61(67)) |