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The European Union (EU) is a supranational political and economic union of 27 member states that are located primarily in Europe. The Union has a total area of 4,233,255 km² (1,634,469 sq mi) and an estimated population of more than 450 million as of 2025. The EU is often described as a sui generis political entity combining characteristics of both a federation and a confederation.

Containing 5.5% of the world population in 2023, EU member states generated a nominal gross domestic product (GDP) of around €17.935 trillion in 2024, accounting for approximately one sixth of global economic output. Its cornerstone, the Customs Union, paved the way to establishing an internal single market based on standardised legal framework and legislation that applies in all member states in those matters, and only those matters, where the states have agreed to act as one. EU policies aim to ensure the free movement of people, goods, services and capital within the internal market; enact legislation in justice and home affairs; and maintain common policies on trade, agriculture, fisheries, and regional development.

The EU was established, along with its citizenship, when the Maastricht Treaty came into force in 1993, and was incorporated as an international legal juridical person upon entry into force of the Treaty of Lisbon in 2009. Its beginnings can be traced to the Inner Six states (Belgium, France, Italy, Luxembourg, the Netherlands, and West Germany) at the start of modern European integration in 1948, and to the Western Union, the International Authority for the Ruhr, the European Coal and Steel Community, the European Economic Community and the European Atomic Energy Community, which were established by treaties. These increasingly amalgamated bodies grew, with their legal successor the EU, both in size through the accessions of a further 22 states from 1973 to 2013, and in power through acquisitions of policy areas. In 2020, the United Kingdom became the only member state to leave the EU; ten countries are aspiring or negotiating to join it. (Full article...)

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The Kingdom of Belgium is a country in northwest Europe bordered by the Netherlands, Germany, Luxembourg and France and is one of the founding and core members of the European Union. Belgium has a population of over ten million people, in an area of around 30,000 square kilometres (11,700 square miles).

Straddling the cultural boundary between Germanic and Romance Europe, Belgium is linguistically divided. It has two main languages: 59% of its population, mainly in the region Flanders, speak Dutch; French is spoken by 40% of the entire Belgian population. Less than 1% of the Belgian people, around 70,000 citizens, live in the German-speaking Community in the east of Wallonia. This linguistic diversity often leads to political and cultural conflict and is reflected in Belgium's complex system of government and political history.

Belgium derives its name from the Latin name of the most northern part of Gaul, Gallia Belgica, named after a group of mostly Celtic tribes, Belgae. Historically, Belgium has been a part of the Low Countries, which also include the Netherlands and Luxembourg and used to cover a somewhat larger region than the current Benelux group of states. From the end of the Middle Ages until the seventeenth century, it was a prosperous centre of commerce and culture. From the sixteenth century until the Belgian revolution in 1830, the area at that time called the Southern Netherlands, was the site of many battles between the European powers. More recently, Belgium was a founding member of the European Union, hosting its headquarters, as well as those of many other major international organisations, such as NATO.

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Colosseum

Photo credit: Diliff

The Colosseum in Rome, Italy, at dusk. Although it is now in a severely ruined condition, the Colosseum has long been seen as an iconic symbol of Imperial Rome and is one of the finest surviving examples of Roman architecture.

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Did you know?

...that within the Eurozone the European Central Bank has the exclusive authority to set monetary policy?

...that Greenland and United Kingdom are the only countries to ever leave the European Union?

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The city of Luxembourg, commonly known as Luxembourg City, is a commune with city status, and the capital of the Grand Duchy of Luxembourg. It is located at the confluence of the Alzette and Pétrusse rivers in southern Luxembourg

As of 2005^[update], the commune of Luxembourg City has a population of 76,420, which is almost three times the population of the second most populous commune. The city's metropolitan population, including that of surrounding communes of Hesperange, Sandweiler, Strassen, and Walferdange, is 103,973. Luxembourg City lies at the heart of Western Europe, situated 188 km (117 miles) from Brussels, 289 km (179 miles) from Paris, 190 km (118 miles) from Cologne. Luxembourg City is one of the wealthiest cities in the world, having developed into a banking and administrative centre. Luxembourg is a seat of several institutions of the European Union, including the European Court of Justice, the European Court of Auditors, and the European Investment Bank.