The Treaty of London establishes Belgium as a kingdom and guarantees its neutrality.

Treaty of London (1839)

Treaty over Belgium and Luxembourg

The Treaty of London of 1839, was signed on 19 April 1839 between the major European powers, the United Kingdom of the Netherlands, and the Kingdom of Belgium. It was a direct follow-up to the 1831 Treaty of the XVIII Articles, which the Netherlands had refused to sign, and the…