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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 euro (currency sign: €; currency code: EUR) is the official currency of the European Union (EU). Nineteen member states have adopted it, known collectively as the Eurozone (Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, Spain). The currency is also used in five further countries with formal agreements and six other countries without such agreements. Hence it is the single currency for over 320 million Europeans. Including areas using currencies pegged to the euro, the euro directly affects close to 500 million people worldwide. With more than €610 billion in circulation as of December 2006 (equivalent to US$802 billion at the exchange rates at the time), the euro is the currency with the highest combined value of cash in circulation in the world, having surpassed the U.S. dollar (USD). Taking official estimates of 2007 GDP, the Eurozone is the largest economy in the world by March 2008 after the USD/EUR exchange rate surpassed 1.56.

The euro was introduced to world financial markets as an accounting currency in 1999 and launched as physical coins and banknotes on 1 January 2002. It replaced the former European Currency Unit (ECU) at a ratio of 1:1. The euro is managed and administered by the Frankfurt-based European Central Bank (ECB) and the Eurosystem (composed of the central banks of the euro zone countries). As an independent central bank, the ECB has sole authority to set monetary policy. The Eurosystem participates in the printing, minting and distribution of notes and coins in all member states, and the operation of the Eurozone payment systems.

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Euro sign

Diagram credit: Erina

The euro sign (€) is the currency symbol used for the euro, the official currency of the eurozone and a few other European countries. The design was presented to the public by the European Commission on 12 December 1996, and consists of a stylized letter E (or epsilon) crossed by two lines instead of one. While the Commission intended the euro sign to be a prescribed glyph, type designers made it clear that they intended instead to adapt the design to be consistent with the typefaces to which the symbol was to be added. Euro banknotes and coins entered into circulation on 1 January 2002, making it the day-to-day operating currency of its original members. This diagram shows the construction of the euro sign as formally specified by the European Commission.

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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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Zagreb is the capital and the largest city of the Croatia. It is located in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb lies at an elevation of approximately 122 m above sea level. In the census of 2011 the population of the city was 790,017.

Zagreb is a city with a rich history dating from the Roman times to the present day. The oldest settlement in the urban area of the city is Andautonia, a Roman settlement in the place of today's Ščitarjevo. The name "Zagreb" is mentioned for the first time in 1094 at the founding of the Zagreb diocese of Kaptol, and Zagreb became a free royal town in 1242, whereas the origin of the name still remains a mystery in spite of several theories. In 1851 Zagreb had its first mayor, Janko Kamauf, and in 1945 it was made the capital of Croatia when the demographic boom and the urban sprawl made the city it's known nowadays.

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