History of Belgium from Korea in 1955. On September 5, 1944, the Benelux Customs Union was created. It entered into force in 1948, and ceased to exist on 1 November 1960, when it was replaced by the Benelux Economic Union after a treaty signed in The Hague on February 3, 1958. The Benelux Parliament was created in 1955. The Treaty of Brussels, signed on 17 March 1948 by Belgium, the Netherlands, Luxembourg, France, and the United Kingdom, is considered the precursor to the NATO agreement, which Belgium became an official member of on April 4, 1949. The headquarters of NATO are located in
Partitions of Luxembourg of Luxembourg would be decided later; the Netherlands, which had assented to the Conference's decision, invaded Belgium to force the Belgians to accept limitation of its territory. After the withdrawal of this force, the London Conference made its third suggestion, that Luxembourg be divided between the two, with most of the land going to Belgium, but with Luxembourg City remaining under Dutch control. Leopold agreed, and the treaty was signed on the 15 November 1831. Although the Dutch King William I rejected this suggestion at first, after the stand-off had dragged on for several years, he gave way, and agreed