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
History of Belgium Roman Emperor, in his Pragmatic Sanction of 1549. The Eighty Years' War (1568–1648) later led to the split between a northern Dutch Republic and the Southern Netherlands from which Belgium and Luxembourg developed. This southern territory continued to be ruled by the Habsburg descendants of the Burgundian house, at first as the "Spanish Netherlands". Invasions from France under Louis XIV led to the loss of what is now Nord-Pas-de-Calais to France, while the remainder finally became the "Austrian Netherlands". The French Revolutionary wars led to Belgium becoming part of France in 1795, bringing the end of the semi-independence of areas