Kingdom of the Netherlands Koninkrijk der Nederlanden (in Dutch) Royaume des Belgiques (in French)
1815?1839
Flag Coat of arms
Motto:  Je maintiendrai "I will maintain"
Anthem:   Wien Neerlands Bloed "Those in whom Dutch blood"
Map of the United Kingdom of the Netherlands in 1815
Capital	Amsterdam and Brussels
Common languages	Dutch , French
Religion	Protestant , Roman Catholic
Government	Constitutional monarchy
King
? 1815?1839	William I
Legislature	States-General
?  Upper house	Senate
?  Lower house	House of Representatives
Historical era	Early modern period
?  Congress of Vienna	15 March 1815
?  Constitution adopted	24 August 1815
?  Belgian Revolution	25 August 1830
?  Treaty of London	19 April 1839
Currency	Dutch guilder
ISO 3166 code	NL
Preceded by Succeeded by First French Empire Netherlands Duchy of Limburg (1839?1867) Luxembourg Belgium

The United Kingdom of the Netherlands (1815?1839) is the unofficial name used for the Kingdom of the Netherlands . This was after it was first made from part of the First French Empire and before the new Kingdom of Belgium split off from it in 1830. Most of it is still today the Kingdom of the Netherlands . It was made up of the former Dutch Republic to the north, the former Austrian Netherlands to the south, and the former Prince-Bishopric of Liege . The House of Orange-Nassau were the monarchs.Also unites Benelux .

The United Kingdom of the Netherlands ended after the 1831 Belgian Revolution . William I, King of the Netherlands did not recognize a Belgian state until 1839. He was made to sign the Treaty of London . Only at this time were borders agreed.In the treaty was sad it that Belgium was neutral.

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