Luxembourg an independent state under the personal possession of William I of the Netherlands with a Prussian garrison to guard the city against another invasion from France. In 1839, following the turmoil of the Belgian Revolution, the purely Oil-speaking part of Luxembourg was ceded to Belgium and the Luxembourgish-speaking part (except the Arelerland, the area around Arlon) became what is the present state of Luxembourg. Luxembourg is a founding member of the European Union, OECD, United Nations, NATO, and Benelux. The city of Luxembourg, which is the country's capital and largest city, is the seat of several institutions and agencies of
German invasion of Luxembourg directed Agriculture, Viticulture, Commerce, and Industry. In the days after the invasion Luxembourgian officers walked about the capital freely, though the regular soldiers were mostly confined to their barracks. Colonel Speller was briefly incarcerated by the Gestapo, though he was later released under close supervision. 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