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
Battle of Belgium Battle of Belgium The Battle of Belgium or Belgian Campaign, often referred to within Belgium as the 18 Days' Campaign (, ), formed part of the greater Battle of France, an offensive campaign by Germany during the Second World War. It took place over 18 days in May 1940 and ended with the German occupation of Belgium following the surrender of the Belgian Army. On 10 May 1940, Germany invaded Luxembourg, the Netherlands, and Belgium under the operational plan "Fall Gelb" (Case Yellow). The Allied armies attempted to halt the German Army in Belgium, believing it to be the main