This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.
The Treaty of London of 1839, also called the Convention of 1839, was signed on 19 April 1839.
With the treaty, the southern provinces of the Netherlands became the Kingdom of Belgium, while the province of Limburg was split into Belgian and Dutch parts.
The signatories of the treaty (the United Kingdom, Austria, France, Prussia, Russia, and the Netherlands) now officially recognised the independent Kingdom of Belgium, and (at the United Kingdom's insistence) agreed to its neutrality.
The London Naval Treaty was an agreement between the United Kingdom, Japan, France, Italy and the United States, signed on April 22, 1930, which regulated submarine warfare and limited military shipbuilding.
It was an extension of the conditions agreed in the Washington Naval Treaty and is officially termed the Treaty for the Limitation and Reduction of Naval Armament.
It was a revival of the Geneva Naval Conference of 1927 which had been unable to reach agreement because of bad feeling between the British Government and that of the United States.