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
Burgundian Netherlands Burgundian Netherlands In the history of the Low Countries, the Burgundian Netherlands (, , , ) were a number of Imperial and French fiefs ruled in personal union by the House of Valois-Burgundy in the period from 1384 to 1482 and later their Habsburg heirs. The area comprised large parts of present-day Belgium and the Netherlands, as well as Luxembourg and parts of northern France. A fair share (but not most) of these territories were inherited by the Burgundian dukes, a younger branch of the French royal House of Valois in 1384, upon the death of Count Louis II of