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
Belgium–Netherlands relations in the Netherlands, while there are around 111,000 Dutch nationals in Belgium. Thanks to their shared history and the Dutch language, the Netherlands and Belgium have strong cultural ties. In 1980, the two countries set up the Dutch Language Union to encourage greater cooperation in the field of Dutch language and literature. The Union offers services including language tools like dictionaries and a language advice service, education in and about Dutch, literature and reading skills, and activities promoting the Dutch language in Europe and the rest of the world. The Union also works to showcase the two countries’ shared cultural