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
Netherlands They were probably the most commonly used names, besides Flanders, another pars pro toto for the Low Countries, especially in Romance language speaking Europe. The Eighty Years' War (1568–1648) divided the Low Countries into an independent northern Dutch Republic (or Latinised "Belgica Foederata", "Federated Netherlands", the precursor state of the Netherlands) and a Spanish controlled Southern Netherlands (Latinised "Belgica Regia", "Royal Netherlands", the precursor state of Belgium). The Low Countries today is a designation that includes the countries the Netherlands, Belgium and Luxembourg, although in most Romance languages, the term "Low Countries" is used as the name for the Netherlands