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
History of the Netherlands of Spain took strong measures against Protestantism, which polarised the peoples of present-day Belgium and the Netherlands. The subsequent Dutch revolt led to splitting the Burgundian Netherlands into a Catholic French and Dutch-speaking "Spanish Netherlands" (approximately corresponding to modern Belgium and Luxembourg), and a northern "United Provinces", which spoke Dutch and were predominantly Protestant with a Catholic minority. It became the modern Netherlands. In the Dutch Golden Age, which had its zenith around 1667, there was a flowering of trade, industry, the arts and the sciences. A rich worldwide Dutch empire developed and the Dutch East India Company became one