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
Habsburg Netherlands on. In 1581, the Seven United Provinces seceded to form the Dutch Republic; the remaining Spanish Southern Netherlands eventually passed on to Habsburg Austria. Finally, the Austrian Netherlands were annexed by the French First Republic in 1795, becoming the French client state of the Batavian Republic. The Habsburg Netherlands was a geo-political entity covering the whole of the Low Countries (i.e. the present-day Netherlands, Belgium, Luxembourg, and French Nord-Pas-de-Calais) from 1482 to 1581. Already under the rule of the Burgundian duke Philip the Good (1419–1467), the provinces of the Netherlands began to grow together: Flanders, Artois and Mechelen, Namur, Holland,