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City (pop., 2001 prelim.: 76,833), capital of Luxembourg .
A rocky promontory along the Alzette River was the site of a Roman fortress and later of a Frankish castle, around which the medieval town developed. Siegfried, count of Ardennes, purchased this castle and made the duchy of Luxembourg independent in 963. The strongest in Europe after Gibraltar , the castle was garrisoned by the Prussians as a bulwark of the German Confederation (1815–66); it was dismantled by treaty in 1867. Long an important road and railway focus, the city is also an important industrial and financial centre. It is the seat of the European Court of Justice and several administrative offices of the
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officially Grand Duchy of Luxembourg
Country, western Europe.
Area: 999 sq mi (2,586 sq km). Population (2002 est.): 447,000. Capital: Luxembourg . Most of the population is ethnically French or German. Languages: Luxembourgian, French, German. Religions: Roman Catholicism, Protestantism (Lutheranism), Judaism (a small minority). Currency: euro. It is 51 mi (82 km) long and 35 mi (56 km) wide and is divided into two regions: the Oesling, an extension of the Ardennes Mountains in the northern third of the country consisting of a high plateau dissected by river valleys; and the Bon Pays, or Gutland, a rolling plateau that occupies the rest of the country. Luxembourg's economy is largely based on heavy industry and international trade and banking, and its per capita income is among the highest in the world. It is a constitutional monarchy with two legislative houses; its chief of state is the grand duke, and the head of government is the prime minister. At the time of Roman conquest (57–50 BC), the area was inhabited by a Belgic tribe, the Treveri. After AD 400, Germanic tribes invaded the region. It later came under Charlemagne 's empire. Made a duchy in 1354, it was ceded to the house of Burgundy in 1441 and to the Habsburgs in 1477. In the mid-16th century it became part of the Spanish Netherlands. The Congress of Vienna in 1815 made it a grand duchy and awarded it to The Netherlands. After an uprising in 1830, its western portion became part of Belgium, while the remainder was held by The Netherlands. In 1867 the European powers guaranteed the neutrality and independence of Luxembourg. In the late 19th century it built a great steel industry by exploiting its extensive iron ore deposits. It was invaded and occupied by Germany in both world wars. Following World War II, it abandoned its neutrality by joining NATO in 1949. It joined the Benelux Economic Union in 1944 and the European Coal and Steel Community , a forerunner of the European Union , in 1952. Luxembourg ratified the {{link=Maastricht Treaty">Maastricht Treaty on European Union in 1992 and adopted the euro as its official monetary unit in 1999.