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Kingdom of Belgium

In 1830, the Belgian Revolution led to the splitting up of the two countries. Belgium was confirmed as an independent state by the Treaty of London of 1839, but deprived of the eastern half of Limburg (now Dutch Limburg), and the Eastern half of Luxembourg (now the Grand-Duchy of Luxembourg). Sovereignty over Zeelandic Flanders, south of the Westerscheldt river delta, was left with the Kingdom of the Netherlands, which was allowed to levy a toll on all traffic to Antwerp harbour until 1863.