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
German invasion of Luxembourg German invasion of Luxembourg The German invasion of Luxembourg was part of Case Yellow (), the German invasion of the Low Countries (Belgium, Luxembourg and the Netherlands) and France during World War II. The battle began on 10 May 1940 and lasted just one day. Facing only light resistance, German troops quickly occupied Luxembourg. The Luxembourgish government, and Grand Duchess Charlotte, managed to escape the country and a government-in-exile was created in London. On 1 September 1939 Germany invaded Poland, initiating World War II. This put Luxembourg's Grand Ducal government in a delicate situation. On the one hand, the population's