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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 Galileo positioning system is a proposed satellite navigation system, to be built by the European Union as an alternative to GPS (which is controlled by the United States military) and the Russian GLONASS. The system should be operational by 2010, two years later than originally anticipated. The first stage of the Galileo program was agreed upon officially on May 26, 2003 by the European Union and the European Space Agency (ESA).

It is named after the Italian astronomer Galileo Galilei. The Galileo positioning system should not be referred to as GPS, which refers specifically to the existing United States system, but as "Galileo." Galileo is intended to provide: greater precision to all users, improved coverage of satellite signals at higher latitudes, which northern regions such as Scandinavia will benefit from, a positioning system upon which European nations can rely even in times of war or political disagreement.

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Tartini Square

Photo: Plamen Agov

An aerial view of Tartini Square, the largest and main town square in Piran, Slovenia. It is named after violinist and composer Giuseppe Tartini, who was born in Piran. The square was once an inner dock for smaller vessels such as fishing boats, and was located outside of the first city walls. The dock was replaced by a formal town square in 1894.

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Did you know?

...that Monaco, San Marino, and Vatican City all mint their own euro coins, with their own national symbols on the back, despite not being EU members?

...that Slovenia joined the Euro on January 1, 2007?

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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.