| 2 March 1841 |
|
Convention of Commerce and Navigation between Great Britain, on the one part, and Prussia, Bavaria, Saxony, Wurtemburg, Baden, the Electorate of Hesse, the Grand Duchy of Hesse, the States forming the Customs and Commercial Union of Thuringia, Nassau, and Frankfort, on the other part |
| 16 April 1856 |
|
Declaration respecting Maritime Law, signed by the Plenipotentiaries of Great Britain, Austria, France, Prussia, Russia, Sardinia, and Turkey, assembled in Congress at Paris - April 16, 1856 |
| 30 May 1865 |
1 July 1865 |
Treaty of Commerce between Great Britain and the Zollverein |