Belgium–Luxembourg relations Belgium–Luxembourg relations Belgium–Luxembourg relations are the bilateral relations between the Kingdom of Belgium and Grand Duchy of Luxembourg. Both countries have a history of close cooperation, notably within the Belgium–Luxembourg Economic Union, Benelux and within the European Union. Belgium has an embassy in Luxembourg and Luxembourg has an embassy in Brussels. The Belgian ambassador to Luxembourg is Thomas Antoine. The Luxembourg ambassador to Belgium is Jean-Jacques Welfring. Belgium and Luxembourg share a land border. On the Belgian side of the border, nearly all of it is with the province of Luxembourg; a small part in the north is with the
History of the Netherlands French imperial province. After the collapse of Napoleon in 1813–15, an expanded "United Kingdom of the Netherlands" was created with the House of Orange as monarchs, also ruling Belgium and Luxembourg. The King imposed unpopular Protestant reforms on Belgium, which revolted in 1830 and became independent in 1839. After an initially conservative period, following the introduction of the 1848 constitution; the country became a parliamentary democracy with a constitutional monarch. Modern -day Luxembourg became officially independent from the Netherlands in 1839, but a personal union remained until 1890. Since 1890, it is ruled by another branch of the House of