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 relations Belgium–Netherlands relations Belgian–Dutch relations refer to interstate relations between the Belgium and the Netherlands. It can be seen as one of the closest international relationships in existence, marked by shared history, culture, institutions and language, extensive people-to-people links, aligned security interests, sporting tournaments and vibrant trade and investment cooperation. Relations were established after Belgium became independent from the United Kingdom of the Netherlands in 1839. Both nations are great allies with cultural similarities and close cooperation between both governments. The language spoken in Belgium is known as "Nederlands/Dutch", is the most-spoken language in both countries. Approximately 35,000 Belgian nationals live