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 Luxembourg the Luxembourgish population joined the Belgian revolution against Dutch rule. Except for the fortress and its immediate vicinity, Luxembourg was considered a province of the new Belgian state from 1830 to 1839. By the Treaty of London in 1839, the status of the grand duchy became fully sovereign and in personal union to the king of the Netherlands. In turn, the predominantly Oil-speaking geographically larger western part of the duchy was ceded to Belgium as the province de Luxembourg. This loss left the Grand Duchy of Luxembourg a predominantly German state, although French cultural influence remained strong. The loss of