| 31 March 1873 |
7 July 1873 |
Treaty between Great Britain and Denmark, for the Mutual Surrender of Fugitive Criminals |
| 26 June 1873 |
17 October 1873 |
Treaty between Great Britain and Sweden and Norway for the Mutual Surrender of Fugitive Criminals |
| 3 December 1873 |
19 March 1873 |
Treaty between Great Britain and Austria, for the Mutual Surrender of Fugitive Criminals |
| 4 June 1878 |
9 December 1878 |
Treaty between Great Britain and Spain for the Mutual Surrender of Fugitive Criminals |
| 26 November 1880 |
30 May 1881 |
Treaty between Great Britain and Switzerland, for the Mutual Surrender of Fugitive Criminals |
| 27 October 1888 |
16 December 1899 |
Treaty between Great Britain and Colombia, for the Mutual Surrender of Fugitive Criminals |
| 19 February 1889 |
10 June 1889 |
Declaration between Great Britain and Spain, amending the Treaty of the 4th June, 1878, for the Extradition of Fugitive Criminals |
| 17 December 1891 |
23 May 1892 |
Treaty between Great Britain and Monaco for the Extradition of Criminals |
| 17 October 1892 |
19 March 1894 |
Treaty between Great Britain and Portugal for the mutual surrender of fugitive criminals |
| 26 June 1901 |
6 October 1902 |
Declaration amending Article XI to the Treaty between the United Kingdom and Austria-Hungary of December 3, 1873, for the Mutual Surrender of Fugitive Criminals |
| 26 January 1904 |
20 May 1907 |
Treaty between the United Kingdom and Peru for the Mutual Surrender of Fugitive Criminals |
| 29 June 1904 |
29 March 1905 |
Convention between the United Kingdom and Switzerland supplementing Article XVIII of the Treaty of Extradition of November 26, 1880 |
| 3 October 1904 |
22 May 1905 |
Treaty between the United Kingdom and Cuba for the Mutual Surrender of Fugitive Criminals |
| 19 April 1905 |
25 May 1906 |
Treaty between the United Kingdom and Nicaragua for the Mutual Extradition of Fugitive Criminals |
| 25 August 1906 |
26 August 1907 |
Treaty between the United Kingdom and Panama for the Mutual Surrender of Fugitive Criminals |
| 18 February 1907 |
18 February 1907 |
Agreement between the United Kingdom and Norway respecting the Mutual Surrender of Fugitive Criminals |
| 12 September 1908 |
17 July 1911 |
Treaty between the United Kingdom and Paraguay for the mutual surrender of Fugitive Criminals |
| 24 September 1910 |
26 February 1912 |
Treaty between the United Kingdom and Greece for the Mutual Surrender of Fugitive Criminals |
| 16 July 1913 |
16 July 1913 |
Agreement between the United Kingdom and Paraguay relating to Extradition between certain British Protectorates and Paraguay (Supplementary to the Extradition Treaty of September 12, 1908) |
| 20 June 1919 |
22 February 1920 |
Treaty between the United Kingdom and Spain Respecting Extradition Between Certain British Protected States in the Malay Peninsula and Spain |
| 10 January 1921 |
29 November 1921 |
Treaty between the United Kingdom and Portugal relating to the Extradition of Fugitive Criminals between Certain British Protectorates and the Territories of the Portuguese Republic |
| 10 January 1921 |
29 December 1921 |
Treaty between the United Kingdom and Portugal relating to the Extradition of Fugitive Criminals between the Federated Malay States and the Territories of the Portuguese Republic |
| 20 April 1921 |
31 October 1922 |
Additional Protocol to the Convention and Statute on the Regime of Navigable Waterways of International Concern |
| 20 April 1921 |
31 October 1922 |
Convention and Statute on Freedom of Transit |
| 20 April 1921 |
31 October 1922 |
Convention and Statute on the Regime of Navigable Waterways of International Concern |
| 6 May 1922 |
|
Agreement between the British and Lithuanian Governments respecting commercial relations |
| 21 June 1922 |
|
Convention between the United Kingdom and Belgium respecting Legal Proceedings on Civil and Commercial Matters |
| 8 August 1923 |
23 August 1934 |
Convention between the United Kingdom and Belgium Extending to the Belgian Congo and certain British Protectorates existing Extradition Conventions between the United Kingdom and Belgium |
| 12 September 1923 |
7 August 1924 |
International Convention for the Suppression of the Circulation of and Traffic in Obscene Publications |
| 26 November 1923 |
1 July 1924 |
Treaty of Commerce and Navigation between the United Kingdom and the Polish Republic |
| 9 December 1923 |
23 March 1926 |
Convention and Statute on the International Regime of Railways and Protocol of Signature |
| 9 December 1923 |
26 July 1926 |
Convention and Statute on the International Regime of Maritime Ports and Protocol of Signature |
| 9 December 1923 |
26 July 1926 |
Convention relative to the Transmission in Transit of Electric Power and Protocol of Signature |
| 9 December 1923 |
|
Convention relative to the Development of Hydraulic Power affecting more than one State and Protocol of Signature. |
| 30 May 1924 |
23 May 1925 |
Treaty between the United Kingdom and Finland for the Extradition of Criminals |
| 16 July 1924 |
30 October 1925 |
Treaty between the United Kingdom and the Latvian Republic for the Extradition of Fugitive Criminals |
| 28 August 1924 |
1 October 1925 |
Convention and Protocol revising Universal Postal Convention of November 30, 1920 |
| 11 November 1924 |
29 March 1926 |
Convention between the United Kingdom and the Czechoslovak Republic relative to Legal Proceedings in Civil and Commercial Matters |
| 11 November 1924 |
5 November 1926 |
Treaty between the United Kingdom and the Czechoslovak Republic for the Extradition of Criminals signed at London, November 11, 1924, and Protocol signed at London , June 4, 1926 |
| 2 December 1924 |
|
Treaty of Commerce & Navigation between the United Kingdom and Germany and Additional Protocol signed at London December 2, 1924, with other relevant documents |
| 14 July 1925 |
30 March 1926 |
Treaty between the United Kingdom and Siam for the Revision of their Mutual Treaty Arrangements and Protocol concerning Jurisdiction applicable in Siam to British Subjects, &c. |
| 14 July 1925 |
|
Treaty of Commerce and Navigation between the United Kingdom and Siam |
| 18 November 1925 |
12 July 1926 |
Convention between the United Kingdom and Estonia for the Extradition of Fugitive Criminals |
| 18 May 1926 |
11 June 1927 |
Treaty between the United Kingdom and Lithuania for the Extradition of Fugitive Criminals |
| 21 June 1926 |
31 May 1928 |
International Sanitary Convention (1926) |
| 12 July 1926 |
|
Agreement respecting Settlement of the War Debt of France to Great Britain with Exchange of Letters between the Chancellor of the Exchequer and the French Minister of Finance regarding the partial or total failure of receipts from Germany under the Dawes Plan |
| 22 July 1926 |
22 July 1926 |
Extradition Treaty between the United Kingdom and Albania |
| 25 November 1927 |
1 January 1929 |
Convention regarding Radiotelegraphy [with General Regulations and Supplementary Regulation] |
| 20 March 1928 |
15 March 1929 |
Convention between His Majesty and the President of the German Reich regarding Legal Proceedings in Civil and Commercial Matters |
| 25 January 1929 |
25 January 1929 |
Exchange of Notes between His Majesty's Government in the United Kingdom and the Commonwealth of Australia and the Government of India and the Italian Government concerning the Reciprocal Recognition of Passenger Ships' Certificates and Emigrant Ship Regulations |
| 27 June 1929 |
9 May 1930 |
Convention between His Majesty and His Majesty the King of Spain regarding Legal Proceedings in Civil and Commercial Matters |
| 28 June 1929 |
|
Postal Union Agreement regarding Insured Letters and Boxes |
| 28 June 1929 |
|
Universal Postal Convention |
| 12 October 1929 |
13 February 1933 |
International Convention for the Unification of certain Rules relating to International Carriage by Air |
| 2 December 1929 |
5 December 1930 |
Convention between His Majesty in Respect of the United Kingdom, the Commonwealth of Australia, New Zealand and the Union of South Africa and the President of Colombia supplementary to the Treaty of October 27, 1888 in regard to Extradition |
| 17 April 1930 |
12 December 1931 |
Convention between Her Majesty in respect of the United Kingdom, the Commonwealth of Australia, New Zealand and the Union of South Africa and the President of the Cuban Republic for the Extension of the Extradition Treaty of October 3, 1904, to certain Protectorates and Mandated Territories. |
| 7 June 1930 |
1 January 1934 |
International Convention on the Stamp Laws in Connexion with Bills of Exchange and Promissory Notes (With Protocols) |
| 28 June 1930 |
1 May 1932 |
Convention concerning Forced or Compulsory Labour (ILO Convention No.29) |
| 27 November 1930 |
5 July 1931 |
Convention between His Majesty in Respect of the United Kingdom, the Commonwealth of Australia, New Zealand and the Union of South Africa and the Prince of Monaco for the extension to certain Protectorates and Mandated Territories of the Treaty of December 17, 1891 in regard to Extradition |
| 19 March 1931 |
29 November 1933 |
International Convention on Stamp Laws in connexion with Cheques (With Protocol) |
| 30 March 1931 |
9 May 1933 |
International Convention regarding the Taxation of Foreign Motor Vehicles (With Protocol-Annex) |
| 31 March 1931 |
12 February 1932 |
Convention between His Majesty, in respect of the United Kingdom and the Federal President of the Republic of Austria regarding Legal Proceedings in Civil and Commercial Matters |
| 13 July 1931 |
9 July 1933 |
International Convention for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs with Protocol of Signature |
| 24 September 1931 |
16 January 1935 |
International Convention for the Regulation of Whaling [1931] |
| 22 December 1931 |
24 June 1935 |
Extradition Treaty between His Majesty, in respect of the United Kingdom, and the President of the United States of America |
| 22 December 1931 |
|
Convention between His Majesty in respect of the United Kingdom, and the Chief of State of the Republic of Estonia regarding Legal Proceedings in Civil and Commercial Matters |
| 11 January 1932 |
12 March 1934 |
Extradition Treaty between His Majesty, in respect of the United Kingdom, and the President of the Polish Republic (With Polish Full Powers) |
| 2 May 1932 |
5 May 1933 |
Extradition Treaty between His Majesty in respect of the United Kingdom and His Majesty the King of Iraq |
| 4 November 1932 |
18 July 1934 |
Convention between His Majesty in respect of the United Kingdom and His Majesty the King of the Belgians Supplementary to the Convention of June 21, 1922 to Facilitate the Conduct of Legal Proceedings |
| 12 April 1933 |
1 August 1935 |
International Sanitary Convention for Aerial Navigation |
| 11 August 1933 |
23 February 1934 |
Convention between His Majesty in respect of the United Kingdom and the President of Finland regarding Legal Proceedings in Civil and Commercial Matters |
| 28 October 1933 |
13 June 1935 |
Convention relating to the International Status of Refugees |
| 20 March 1934 |
|
Universal Postal Convention |
| 20 March 1934 |
|
Universal Postal Union Agreement concerning Insured Letters and Boxes |
| 7 May 1934 |
|
Agreement between the Governments of France, the United Kingdom, India, the Netherlands and Siam to Regulate Production and Export of Rubber |
| 24 May 1934 |
|
Exchange of Notes Extending the Extradition Treaty of 21 March 1893 to the Federated and Unfederated Malay States and Brunei |
| 19 July 1934 |
|
Extension of the Extradition Treaty of December 6, 1900 to Malay Federated and Unfederated States (Yugoslavia) |
| 22 December 1934 |
1 January 1934 |
International Agreements for dispensing with Bills of Health and Consular Visas on Bills of Health |
| 29 March 1935 |
19 July 1935 |
Exchange of Notes Extending the Extradition Treaties 26 September 1898 and 13 April 1920, to the Un-federated Malay States. |
| 15 April 1936 |
4 May 1940 |
Convention between His Majesty in respect of the United Kingdom and the President of the French Republic Supplementary to the Convention of February 2, 1922 to facilitate the conduct of Legal Proceedings [With Protocol of Signature] |
| 21 June 1936 |
8 September 1939 |
Convention concerning the Regulation of certain Special Systems of Recruiting Workers (ILO No.50) |
| 23 September 1936 |
2 April 1938 |
International Convention concerning the Use of Broadcasting in the Cause of Peace |
| 23 May 1939 |
1 July 1940 |
Universal Postal Convention, with Final Protocol, Regulations of Execution and Provisions concerning the Transportation of Regular Mails by Air, with Final Protocol. |
| 23 May 1939 |
|
Convention and Final Protocol regarding the Universal Postal Union (with Regulations and Airmail Provisions) |
| 14 September 1939 |
14 September 1939 |
Protocol regarding Status of Refugees from Germany additional to Arrangement of July 4, 1936 and Convention of February 10, 1938 |
| 6 December 1945 |
15 December 1946 |
Financial Agreement between His Majesty's Government and the Government of the United States |
| 10 May 1948 |
|
Protocol modifying the International Convention relating to Exhibitions of 22nd November, 1928 |