History of Luxembourg The bombardments ended with the American Army nearing Lampaden on February 22, 1945. Altogether, of a pre-war population of 293,000, 5,259 Luxembourgers lost their lives during the hostilities. After World War II, Luxembourg abandoned its politics of neutrality, when it became a founding member of the North Atlantic Treaty Organization (NATO) and the United Nations. It is a signatory of the Treaty of Rome, and constituted a monetary union with Belgium (Benelux Customs Union in 1948), and an economic union with Belgium and the Netherlands, the so-called BeNeLux. Between 1945 and 2005, the economic structure of Luxembourg changed significantly. The
Belgium–Netherlands border Belgium–Netherlands border The Belgium–Netherlands border separates Belgium and the Netherlands and is 450 km long. Belgium and the Netherlands are part of the Schengen Area. This means there are no permanent border controls at this border. On the Belgian side, the border is shared by four Flemish provinces (out of the five in the Flemish Region). From west West Flanders, East Flanders, Antwerp and Limburg (Belgium). A small part is shared by the Walloon province of Liège, which also includes the German-speaking East Cantons. At the Dutch side, the border is shared by three provinces: Zeeland, North Brabant and Limburg.