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
Southern Netherlands the remainder of the area became known as the Spanish Netherlands and remained under Spanish control. This region comprised modern Belgium, Luxembourg as well as part of northern France. The Spanish Netherlands originally consisted of: The capital, Brussels, was in Brabant. In the early 17th century, there was a flourishing court at Brussels, which was under the government of King Philip III's half-sister Archduchess Isabella and her husband, Archduke Albert of Austria. Among the artists who emerged from the court of the "Archdukes", as they were known, was Peter Paul Rubens. Under the Archdukes, the Spanish Netherlands actually had formal