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118-448: The Tsankov Kamak dam is the first double curvature arch dam in cupola shape in Bulgaria. It has a maximum dam height of 130.5 metres (428 ft). It is the second in the cascade series from the upstream end, and the last to be developed. Apart from power generation, the other objectives of the five projects are use of water resources for irrigation, drinking and household water supply. While

236-524: A common side showing the denomination or value, and a map in the background. Due to the linguistic plurality in the European Union , the Latin alphabet version of euro is used (as opposed to the less common Greek or Cyrillic) and Arabic numerals (other text is used on national sides in national languages, but other text on the common side is avoided). For the denominations except the 1-, 2- and 5-cent coins,

354-458: A humid subtropical ( Köppen : Cfa ) classification. The city has warm, showery summers, with average high temperatures ranging between 25 to 27 °C (77 to 81 °F) and a record maximum exceeding 38 °C (100 °F). Winters are relatively dry and cold with average temperatures at about freezing point. Spring is variable and autumn cool, with a chance of snow in November. Precipitation

472-599: A national side showing an image specifically chosen by the country that issued the coin. Euro coins from any member state may be freely used in any nation that has adopted the euro. The coins are issued in denominations of €2 , €1 , 50c , 20c , 10c , 5c , 2c , and 1c . To avoid the use of the two smallest coins, some cash transactions are rounded to the nearest five cents in the Netherlands and Ireland (by voluntary agreement) and in Finland and Italy (by law). This practice

590-594: A budget deficit of less than 3% of their GDP, a debt ratio of less than 60% of GDP (both of which were ultimately widely flouted after introduction), low inflation, and interest rates close to the EU average. In the Maastricht Treaty, the United Kingdom and Denmark were granted exemptions per their request from moving to the stage of monetary union which resulted in the introduction of the euro (see also United Kingdom and

708-574: A crane of 26 tons capacity, which was erected across the river over the dam. The concreting of the dam began in October 2007 and was completed in January 2010. The double curved arch dam is 130.3 metres (427 ft) in height with a reservoir water spread area of 3.27 square kilometres (1.26 sq mi). It has four spillway blocks designed for a maximum flood discharge of 1,425 cubic metres (50,300 cu ft)/sec, each provided with radial gates, and has

826-630: A decline in the Viennese population. After World War II, the Soviets used force to repatriate key workers of Czech, Slovak and Hungarian origins to return to their ethnic homelands to further the Soviet bloc economy. The population of Vienna generally stagnated or declined through the remainder of the 20th century, not demonstrating significant growth again until the census of 2000. In 2020, Vienna's population remained significantly below its reported peak in 1916. Under

944-776: A different, probably Slavonic origin, and originally referred to an Avar fort in the area. Slovene speakers call the city Dunaj , which in other Central European Slavic languages means the river Danube , on which the city stands. Duchy of Austria 1156–1453 [REDACTED] Archduchy of Austria 1453–1485, 1490–1804 [REDACTED]   Principality of Hungary 1485–1490 [REDACTED]   Austrian Empire 1804–1867 [REDACTED]   Austria-Hungary 1867–1918 [REDACTED]   First Austrian Republic 1919–1934 [REDACTED]   Federal State of Austria 1934–1938 [REDACTED]   Nazi Germany 1938–1945 [REDACTED] Allied-occupied Austria 1945–1955 [REDACTED]   Austria 1955–present In

1062-420: A discharge of 69.5 cubic metres (2,450 cu ft)/sec for power generation. It is 609 metres (1,998 ft) in length (with 10% slope).) and bifurcates into two at the bottom end to feed two turbines, each of 40 MW capacity. Slope protection in the 22 kilometres (14 mi) long stretch of the reservoir spread (up to a surface area of 3.24 square kilometres (1.25 sq mi)) also involved concreting to

1180-687: A few more days until the Soviet Navy ’s Danube Flotilla naval force arrived with reinforcements. The remaining defending soldiers surrendered that same day. After the war, Vienna was part of Soviet-occupied Eastern Austria until September 1945. That month, Vienna was divided into sectors by the four powers: the US, the UK, France, and the Soviet Union and supervised by an Allied Commission . The four-power occupation of Vienna differed in one key respect from that of Berlin:

1298-547: A foreign trading currency in Cuba since 1998, Syria since 2006, and Venezuela since 2018. In 2009, Zimbabwe abandoned its local currency and introduced major global convertible currencies instead, including the euro and the United States dollar. The direct usage of the euro outside of the official framework of the EU affects nearly 3 million people. Outside the eurozone, two EU member states have currencies that are pegged to

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1416-630: A major prestige project. Former suburbs were incorporated, and the city of Vienna grew dramatically. In 1918, after World War I , Vienna became capital of the Republic of German-Austria , and then in 1919 of the First Republic of Austria . From the late-19th century to 1938, the city remained a center of high culture and of modernism . A world capital of music, Vienna played host to composers such as Johannes Brahms , Anton Bruckner , Gustav Mahler , and Richard Strauss . The city's cultural contributions in

1534-500: A monetary agreement: British Overseas Territory : Unilateral adopters: The following EU member states committed themselves in their respective Treaty of Accession to adopt the euro. However they do not have a deadline to do so and can delay the process by deliberately not complying with the convergence criteria (such as by not meeting the convergence criteria to join ERM II). Bulgaria and Romania are actively working to adopt

1652-618: A novel and published it. Occupied Vienna is also depicted in the 1991 Philip Kerr novel, A German Requiem . The four-power control of Vienna lasted until the Austrian State Treaty was signed in May 1955 and came into force on 27 July 1955. By October, all soldiers had left the country. That year, after years of reconstruction and restoration, the State Opera and the Burgtheater , both on

1770-479: A pivotal role as a leading European music center, from the age of Viennese Classicism through the early part of the 20th century. Vienna was home to the world's first psychoanalyst, Sigmund Freud . The historic center of Vienna is rich in architectural ensembles, including Baroque palaces and gardens, and the late-19th-century Ringstraße , which is lined with grand buildings, monuments, and parks. In 2024, Vienna retained its position as most livable city per

1888-567: A population of nearly 2.9 million, representing nearly one-third of the country's population. Vienna is the cultural , economic , and political center of the country, the fifth-largest city by population in the European Union , and the most-populous of the cities on the Danube river . The city lies on the eastern edge of the Vienna Woods ( Wienerwald ), the northeasternmost foothills of

2006-611: A pressure shaft of 4.4 metres (14 ft) in width and 600 metres (2,000 ft) in length which is steel lined and bifurcated at the lower end to feed the turbines from the intake on the upstream on the left bank of the dam. It feeds two units of 40 MW capacity turbine generators (Francis Turbines) housed in a surface powerhouse, a tailrace channel of 700 metres (2,300 ft) length, and a balancing channel of 1,300 metres (4,300 ft) length. These features are elaborated further with relevant design details. It has gross storage capacity of 111 million cubic metres. The Tsankov Kamak dam has

2124-517: A riot broke out in the city. The protestors, enraged by the decision, set the Palace of Justice ablaze. The police attempted to end the revolt with force and killed at least 84 protestors, with 5 policemen also dying. In 1933, right-wing Chancellor Engelbert Dollfuss dissolved the parliament , essentially letting him run the country as a dictatorship , banned the Communist Party and severely limited

2242-643: A third of its population. In 1804, during the Napoleonic Wars , Vienna became the capital of the newly formed Austrian Empire . The city continued to play a major role in European and world politics, including hosting the Congress of Vienna in 1814–15. The city also saw major uprisings against Habsburg rule in 1848 , which were suppressed. After the Austro-Hungarian Compromise of 1867 , Vienna remained

2360-580: A total combined length of about 400 kilometres (250 mi). Concreting was done in 3 metre lifts. A service road of 6 metres in width was built on top of the dam. Apart from the Christian Schild and 60 engineers of the Alpine Slovakia and contractors of civil engineering works of the project, some 1200 Bulgarian workers were involved in its construction at one point. Work was carried out continuously, involving 535,000 cubic metres of concrete delivered by

2478-497: A total length of 459.4 m and crest level of EL 688.50 m, with 22 cantilever blocks which are "interconnected by a system of shear boxes", which are tangential to the axis at the crest, and the gravity blocks abut on the left and right banks. Horizontal sections of the arch dam are of parabolic shape with fixed thickness. A series of 10 centimetres (3.9 in) thick shear key locks on both surfaces of each cantilever block are provided to achieve uniform distribution of shear force between

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2596-646: A widespread prehistorical cult of Vindos , a Celtic deity who survives in Irish mythology as the warrior and seer Fionn mac Cumhaill. A variant of this Celtic name could be preserved in the Czech , Slovak , Polish and Ukrainian names of the city ( Vídeň , Viedeň , Wiedeń and Відень respectively) and in that of the city's district Wieden . The name of the city in Hungarian ( Bécs ), Serbo-Croatian ( Beč , Беч ) and Ottoman Turkish ( بچ , Beç ) has

2714-403: Is 10.5/240 kV. The powerhouse is operated both under the remote control mode from the south regional dispatching control and automatically under the local control mode. Euro The euro ( symbol : € ; currency code : EUR ) is the official currency of 20 of the 27 member states of the European Union . This group of states is officially known as the euro area or, more commonly,

2832-583: Is a major donor to the EFSF. To be included in the eurozone, countries had to fulfil certain convergence criteria , but the meaningfulness of such criteria was diminished by the fact it was not enforced with the same level of strictness among countries. According to the Economist Intelligence Unit in 2011, "[I]f the [euro area] is treated as a single entity, its [economic and fiscal] position looks no worse and in some respects, rather better than that of

2950-462: Is about 185 GWh. This also has beneficial impact on other cascade development projects in the basin as the energy generation gets enhanced by a 48% increase. The power station is run as a peaking station with two peaks, one in the morning and the other in the evening. With the completion of the Tsankov Kamak HPP, and the rehabilitation of the other HPPs, and all stations connected to a common grid,

3068-524: Is also the sole currency in three overseas territories of France that are not themselves part of the EU, namely Saint Barthélemy , Saint Pierre and Miquelon , and the French Southern and Antarctic Lands , as well as in the British Overseas Territory of Akrotiri and Dhekelia . The euro has been adopted unilaterally as the sole currency of Montenegro and Kosovo. It has also been used as

3186-465: Is discouraged by the commission, as is the practice of certain shops of refusing to accept high-value euro notes. Commemorative coins with €2 face value have been issued with changes to the design of the national side of the coin. These include both commonly issued coins, such as the €2 commemorative coin for the fiftieth anniversary of the signing of the Treaty of Rome, and nationally issued coins, such as

3304-461: Is generally moderate throughout the year, averaging around 600 mm (23.6 in) annually, with considerable local variations, the Vienna Woods region in the west being the wettest part (700 to 800 mm (28 to 31 in) annually) and the flat plains in the east being the driest part (500 to 550 mm (20 to 22 in) annually). Snow in winter is common, even if not so frequent compared to

3422-517: Is now utilized through the Tsankov Kamak project. The reservoir submergence is in rocky terrain, which is deforested and has unproductive vegetation. The catchment is highly rugged and mountainous with high altitudes, high watershed flats, deep ravines and large tectonic kettles. The upper and lower course of the river flows through deep cut banks. In the narrow valley stretch of the Vacha River where

3540-493: Is perhaps most well known for its Gemeindebauten , public housing buildings. Between 1925 and 1934, over 60,000 new apartments were built in the Gemeindebauten. Apartments were assigned on the basis of a point system favoring families and less affluent citizens. In July 1927 , after three nationalist far-right paramilitary members were acquitted of the killing of two social democratic Republikanischer Schutzbund members,

3658-601: Is plentiful. Remains of the military camp have been found under the city, as well as fragments of the canal system and figurines. Close ties with other Celtic peoples continued through the ages. The Irish monk Saint Colman (or Koloman, Irish Colmán , derived from colm "dove") is buried in Melk Abbey and Saint Fergil (Virgil the Geometer) served as Bishop of Salzburg for forty years. Irish Benedictines founded twelfth-century monastic settlements; evidence of these ties persists in

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3776-580: Is the seat of the Metropolitan Roman Catholic Archdiocese of Vienna , in which is also vested the exempt Ordinariate for Byzantine-Rite Catholics in Austria; its Archbishop is Cardinal Christoph Schönborn . Many Catholic Churches in central Vienna feature performances of religious or other music, including masses sung to classical music and organ. Some of Vienna's most significant historical buildings are Catholic churches, including

3894-640: Is transferred to the Austrian carbon-credit program under the Joint Implementation Project mechanism which was agreed for the project within the framework of the Kyoto Protocol to partially meet the project costs. For the reduced emissions, Austria compensates Bulgaria at the rate US$ 10 per ton of carbon emissions . The Joint Implementation Project has two components, one is the Implementation of

4012-662: The Alps , that separate Vienna from the more western parts of Austria, at the transition to the Pannonian Basin . It sits on the Danube , and is traversed by the highly regulated Wienfluss ( Vienna River ). Vienna is completely surrounded by Lower Austria , and lies around 50 km (31 mi) west of Slovakia and its capital Bratislava , 60 km (37 mi) northwest of Hungary , and 60 km (37 mi) south of Moravia ( Czech Republic ). The once Celtic settlement of Vedunia

4130-924: The Austrian Armed Forces shelled the Karl-Marx-Hof , a civilian housing estate, and the Schutzbund surrendered. On 15 March 1938, three days after German troops had first entered Austria, Adolf Hitler arrived in Vienna. 200,000 Austrians greeted him at the Heldenplatz , where he held a speech from a balcony in the Neue Burg, in which he announced that Austria would be absorbed into Nazi Germany . The persecution of Jews started almost immediately, Viennese Jews were harassed and hounded, their homes and businesses plundered. Some were forced to scrub pro-independence slogans off

4248-522: The Economist Intelligence Unit , and has spent every year since 2015 in the top 2 places, bar 2021 due to the COVID-19 lockdowns . The place is mentioned as Οϋι[νδ]όβονα (Oui[nd]obona) in the 2nd century AD (Ptolemy, Geography , II, 14, 3); Vindobona in the 3rd century ( Itinerarium Antonini Augusti 233, 8); Vindobona in the 4th century ( Tabula Peutingeriana , V, 1); Vindomana ab. 400 ( Notitia Dignitatum , 145, 16); Vindomina, Vendomina in

4366-533: The OSCE . In 2001, the city center was designated a UNESCO World Heritage Site . In July 2017, it was moved to the list of World Heritage in Danger . Vienna has been called the "City of Music" due to its musical legacy, as many famous classical musicians such as Beethoven , Brahms , Bruckner , Haydn , Mahler , Mozart , Schoenberg , Schubert , Johann Strauss I and Johann Strauss II lived and worked there. It played

4484-548: The Rhodope hill ranges which borders Greece . It is situated on the borders of Smolyan Province , Pazardzhik Province and Plovdiv Province , roughly 40 kilometres (25 mi) southwest of Plovdiv and downstream (north) of the town of Devin . The dam site is located about 400 metres (1,300 ft) downstream of the confluence of the Vacha River and the Gashnya River , in the valley known as Gashnya Valley. The catchment area at

4602-735: The Ringstraße , reopened to the public. In the Autumn of 1956, Vienna accepted many Hungarian refugees , who had fled Hungary after an attempted revolution . The city experienced another wave of refugees after the Prague Spring in Czechoslovakia in 1968, as well as after the collapse of Yugoslavia in 1991. In 1972 the construction of the Donauinsel and the excavation of the New Danube began. In

4720-719: The Soviet air force . Only after the Allies had taken Italy did the next raids commence. From 17 March 1944, 51 air raids were carried out in Vienna. Targets of the bombings were primarily the city's oil refineries . However, around a third of the city center was destroyed, and culturally important buildings such as the State Opera and the Burgtheater were burned, and the Albertina was heavily damaged. These air raids lasted until March 1945, just before

4838-557: The St. Stephen's Cathedral ( Stephansdom ), Karlskirche , Peterskirche and the Votivkirche . On the banks of the Danube is a Buddhist Peace Pagoda , built in 1983 by the monks and nuns of Nipponzan Myohoji . Vienna is located in northeastern Austria, at the easternmost extension of the Alps in the Vienna Basin . The earliest settlement, at the location of today's inner city , was south of

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4956-510: The Western and Eastern blocs , which deeply distrusted each other. The city experienced an economic upturn due to the Marshall Plan . The atmosphere of four-power Vienna is the background for Graham Greene 's screenplay for the film The Third Man (1949). The film's theme music was composed and performed by Viennese musician Anton Karas using a zither . Later he adapted the screenplay as

5074-546: The dobra of São Tomé and Príncipe was officially linked with the euro. Additionally, the Moroccan dirham is tied to a basket of currencies, including the euro and the US dollar, with the euro given the highest weighting. These countries generally had previously implemented a currency peg to one of the major European currencies (e.g. the French franc , Deutsche Mark or Portuguese escudo ), and when these currencies were replaced by

5192-496: The eurozone . The euro is divided into 100 euro cents . The currency is also used officially by the institutions of the European Union , by four European microstates that are not EU members, the British Overseas Territory of Akrotiri and Dhekelia , as well as unilaterally by Montenegro and Kosovo . Outside Europe, a number of special territories of EU members also use the euro as their currency. Additionally, over 200 million people worldwide use currencies pegged to

5310-501: The " eurozone ", some 347 million people in total as of 2023 . According to bilateral agreements with the EU , the euro has also been designated as the sole and official currency in a further four European microstates awarded minting rights (Andorra, Monaco, San Marino and the Vatican City). All but one (Denmark) current, and any potential future EU members, are obliged to adopt the euro when economic conditions permit. The euro

5428-528: The 16th century of the Habsburg emperors of the Holy Roman Empire with an interruption between at the turn to the 17th century until 1806, becoming an important center in the empire. In the 16th and 17th centuries, Christian forces twice stopped Ottoman armies outside Vienna, in the 1529 siege of Vienna and the 1683 Battle of Vienna . The Great Plague of Vienna ravaged the city in 1679, killing nearly

5546-552: The 1st century, the Romans set up the military camp of Vindobona in Pannonia on the site of today's Vienna city center near the Danube with an adjoining civilian town to secure the borders of the Roman Empire . Construction of the legionary camp began around 97 AD. At its peak, Vindobona had a population of around 15,000 people. It was a part of a trade and communications network across

5664-590: The 2021 census, 49.0% of Viennese were Christian. Among them, 31.8% were Catholic , 11.2% were Eastern Orthodox , and 3.7% were Protestant , mostly Lutheran , 34.1% had no religious affiliation, 14.8% were Muslim , and 2% were of other religions, including Jewish. One sources estimates that Vienna's Jewish community is of 8,000 members meanwhile another suggest 15,000. Based on information provided to city officials by various religious organizations about their membership, Vienna's Statistical Yearbook 2019 reports in 2018 an estimated 610,269 Roman Catholics, or 32.3% of

5782-826: The 6th century ( Jordanes , De origine actibusque Getarum , 50, 264). The English name Vienna is borrowed from the homonymous Italian name. The German name Wien comes from the name of the river Wien , mentioned ad UUeniam in 881 ( Wenia- in modern writing). The name of the Roman settlement on the same emplacement is of Celtic extraction Vindobona , probably meaning "white village, white settlement" from Celtic roots, vindo- , meaning "white" (Old Irish find "white", Welsh gwyn / gwenn , Old Breton guinn "white, bright" > Breton gwenn "white"), and -bona "foundation, settlement, village", related to Old Irish bun "base, foundation" and Welsh bon , same meaning. The Celtic word vindos may reflect

5900-627: The ECB's banknotes are put into circulation by the NCBs, thereby incurring matching liabilities vis-à-vis the ECB. These liabilities carry interest at the main refinancing rate of the ECB. The other 92% of euro banknotes are issued by the NCBs in proportion to their respective shares of the ECB capital key, calculated using national share of European Union (EU) population and national share of EU GDP, equally weighted. Member states are authorised to print or to commission bank note printing. As of November 2022 , these are

6018-405: The Empire. Roman emperor Marcus Aurelius may have died here in 180 AD during a campaign against the Marcomanni . After a Germanic invasion in the second century the city was rebuilt. It served as a seat of the Roman government until the fifth century, when the population fled due to the Huns invasion of Pannonia. The city was abandoned for several centuries. Evidence of the Romans in the city

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6136-437: The Euro, at around US dollar 0.95 per euro. The euro is managed and administered by the European Central Bank (ECB, Frankfurt am Main ) and the Eurosystem , composed of the central banks of the eurozone 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 euro banknotes and coins in all member states, and

6254-486: The Nazi regime, 65,000 Jews were deported and murdered in concentration camps by Nazi forces; approximately 130,000 fled. By 2001, 16% of people living in Austria had nationalities other than Austrian, nearly half of whom were from former Yugoslavia ; the next most numerous nationalities in Vienna were Turks (39,000; 2.5%), Poles (13,600; 0.9%) and Germans (12,700; 0.8%). As of 2012 , an official report from Statistics Austria showed that more than 660,000 (38.8%) of

6372-413: The Parliament, the French in Hotel Kummer on Mariahilferstraße, the Americans in the National Bank , and the British in Schönnbrunn Palace . The division of the city was not comparable to that of Berlin . Although the borders between the sectors were marked, travel between them was freely possible. During the ten years of the four-power occupation, Vienna was a hotbed for international espionage between

6490-400: The Portuguese escudos , which ceased to have monetary value after 31 December 2002, although banknotes remained exchangeable until 2022. A special euro currency sign (€) was designed after a public survey had narrowed ten of the original thirty proposals down to two. The President of the European Commission at the time ( Jacques Santer ) and the European Commissioner with responsibility for

6608-399: The Soviet troops started the Vienna offensive . The Red Army , who had previously marched through Hungary , first entered Vienna on 6 April. They first attacked the eastern and southern suburbs, before moving on to the western suburbs. By the 8th they had the center of the city surrounded. The following day the Soviets started with the infiltration of the city center. Fighting continued for

6726-443: The Tsankov Kamak HPP and the other is the rehabilitation of the electro-mechanical components of the other four projects in the cascade development. Two more HPPs, the Vacha I and the Vacha II, with total installed capacity of 20.6 MW, are located in the lower part of the cascade. The Tsankov Kamak arch dam, associated works and the HPP station are located on the Vacha River , which is the second longest river in Bulgaria. It raises in

6844-433: The US or the UK" and the budget deficit for the euro area as a whole is much lower and the euro area's government debt/GDP ratio of 86% in 2010 was about the same level as that of the United States. "Moreover", they write, "private-sector indebtedness across the euro area as a whole is markedly lower than in the highly leveraged Anglo-Saxon economies". The authors conclude that the crisis "is as much political as economic" and

6962-430: The United States were relatively strong creditors – gained attention in summer 2012 even as Germany received a debt-rating warning of its own. The euro is the sole currency of 20 EU member states : Austria, Belgium, Croatia, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain. These countries constitute

7080-422: The Viennese population have full or partial migrant background, mostly from Ex-Yugoslavia, Turkey, Germany, Poland, Romania and Hungary. From 2005 to 2015 the city's population grew by 10.1%. According to UN-Habitat , Vienna could be the fastest growing city out of 17 European metropolitan areas until 2025 with an increase of 4.65% of its population, compared to 2010. Religion in Vienna (2021) According to

7198-410: The blocks. The dam width at the top is 8.8 metres and at the foundation the base is 26.36 metres (86.5 ft). The curved part of the arch dam is 340 metres in length and its chord length is 345 metres (1,132 ft) . The maximum reservoir water level is EL 685.00 m and the minimum draw down level is EL 670.00 m with a storage capacity of 41 million cubic metres. The spillway has four bays located in

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7316-402: The capital of Austria-Hungary (1867–1918). In 1910, Vienna had more than two million inhabitants and was the third largest city in Europe after London and Paris. Around the start of the 20th century, Vienna was the city with the second-largest Czech population in the world (after Prague ). After World War I, many Czechs and Hungarians returned to their ancestral countries, resulting in

7434-409: The capital of it and all its successor states. Throughout the modern era Vienna has been among the largest German-speaking cities in the world, being the largest in the 18th and 19th century, peaking at two million inhabitants before it was overtaken by Berlin at the beginning of the 20th century. Vienna is host to many major international organizations , including the United Nations, OPEC and

7552-404: The capital of what became the Austro-Hungarian Empire . The city functioned as a center of classical music, for which the title of the First Viennese School (Haydn/Mozart/Beethoven) is sometimes applied. During the latter half of the 19th century, Vienna developed what had previously been the bastions and glacis into the Ringstraße , a new boulevard surrounding the historical town and

7670-409: The cascade development started in 1958, construction of the Kamak power plant started on 29 April 2004 and was completed in 2011. Initial estimated cost of the project was Euro 220 million financed by many banks and equipment manufacturers, including VA TECH Finance, Bank Austria Creditanstalt , BNP Paribas Fortis , Raiffeisen Zentralbank , Société Générale , and Credit Suisse First Boston. However,

7788-408: The central area of the city, known as the first district, constituted an international zone in which the four powers alternated control on a monthly basis. The city was policed by the four powers on a day-to-day basis using the "four soldiers in a jeep" method, which had one soldier from each nation sitting together. The four powers all had separate headquarters, the Soviets in Palais Epstein next to

7906-410: The city were arrested. Adolf Eichmann held office in the expropriated Palais Rothschild and organized the expropriation and persecution of the Jews. Of the almost 200,000 Jews in Vienna, around 120,000 were driven to emigrate and around 65,000 were killed. After the end of the war, the Jewish population of Vienna was only about 5,000. In 1942 the city suffered its first air raid , carried out by

8024-464: The coin to commemorate the 2004 Summer Olympics issued by Greece. These coins are legal tender throughout the eurozone. Collector coins with various other denominations have been issued as well, but these are not intended for general circulation, and they are legal tender only in the member state that issued them. A number of institutions are authorised to mint euro coins: The design for the euro banknotes has common designs on both sides. The design

8142-587: The commercial risks. Construction of the project was considered a challenge in view of the terrain and geologically weak structural region. The building of a new road of about 22 kilometres (14 mi) in difficult terrain, with frequent landslides and rockfalls, caused problems in road construction. This significantly increased the cost of the project up to roughly €500 million. Civil construction works involved six million cubic metres of excavation, two million cubic metres of filling, 850,000 cubic metres of batching and mixing of concrete and placing 100,000 anchors with

8260-428: The dam height of 130.5 metres, five galleries are provided in the body of the dam; the gallery at the bottom has been used initially for grouting of the foundation and for drainage and four horizontal inspection galleries at different elevations (at 30 metres (98 ft) interval). The reservoir stretches over a surface area of 3.27 square kilometres (810 acres) and a length of 22 kilometres (14 mi). The filling of

8378-432: The dam site is 1,214 square metres (13,070 sq ft) and the annual flow is assessed to be approximately 650 million cubic metres with an average inflow of 69.5 cubic metres (2,450 cu ft) per second. The dam has been designed for a gross storage of 111 million cubic metres. The hydropower potential in the river between Sredna and Vacha had remained unexploited under the five dams development initiative, but

8496-528: The dynamic analysis. The intake structure and the pressure tunnel pass through difficult geological formations. Due to this geological feature, particularly at the intake structure, an area of about 6,000 square metres (65,000 sq ft) was required to be plugged in the Gashnia Valley. The Natsionalna Elektricheska Kompania EAD (NEK EAD) was awarded the contract to the project in 2001, and in November 2003 they forwarded their plans to start construction of

8614-424: The efficiency of the whole cascade is improved and energy production rose by a further 16 GWh per annum for the cascade. The design output of Francis turbines is 41,171 kW each, the turbine speed is 428.6 r.p.m., the generator rating is 46 MVA, and generation voltage is 10.5 kV. An outdoor switch yard is provided next to the surface powerhouse with main two step up transformers of 50 MVA rating and voltage ratio

8732-537: The euro ( Yves-Thibault de Silguy ) then chose the winning design. Regarding the symbol, the European Commission stated on behalf of the European Union : The symbol € is based on the Greek letter epsilon (Є), with the first letter in the word "Europe" and with 2 parallel lines signifying stability. The European Commission also specified a euro logo with exact proportions. Placement of the currency sign relative to

8850-605: The euro ). The name "euro" was officially adopted in Madrid on 16 December 1995. Belgian Esperantist Germain Pirlot , a former teacher of French and history, is credited with naming the new currency by sending a letter to then President of the European Commission , Jacques Santer , suggesting the name "euro" on 4 August 1995. Due to differences in national conventions for rounding and significant digits, all conversion between

8968-682: The euro , which is a precondition to joining the eurozone. The Danish krone and Bulgarian lev are pegged due to their participation in the ERM ;II . Additionally, a total of 21 countries and territories that do not belong to the EU have currencies that are directly pegged to the euro including 14 countries in mainland Africa ( CFA franc ), two African island countries ( Comorian franc and Cape Verdean escudo ), three French Pacific territories ( CFP franc ) and two Balkan countries, Bosnia and Herzegovina ( Bosnia and Herzegovina convertible mark ) and North Macedonia ( Macedonian denar ). On 1 January 2010,

9086-475: The euro . The euro is the second-largest reserve currency as well as the second-most traded currency in the world after the United States dollar . As of December 2019, with more than €1.3 trillion in circulation, the euro has one of the highest combined values of banknotes and coins in circulation in the world. The name euro was officially adopted on 16 December 1995 in Madrid . The euro

9204-449: The euro their currencies became pegged to the euro. Pegging a country's currency to a major currency is regarded as a safety measure, especially for currencies of areas with weak economies, as the euro is seen as a stable currency, prevents runaway inflation, and encourages foreign investment due to its stability. In total, as of 2013 , 182 million people in Africa use a currency pegged to

9322-461: The euro traded below the US dollar, but has since traded near parity with or above the US dollar, peaking at US$ 1.60 on 18 July 2008 and since then returning near to its original issue rate. On 13 July 2022, the two currencies hit parity for the first time in nearly two decades due in part to the 2022 Russian invasion of Ukraine . Then, in September 2022, the US dollar again had a face value higher than

9440-541: The euro, 27 million people outside the eurozone in Europe, and another 545,000 people on Pacific islands. Vienna Vienna ( / v i ˈ ɛ n ə / vee- EN -ə ; German: Wien [viːn] ; Austro-Bavarian : Wean [veɐ̯n] ) is the capital, most populous city , and one of nine federal states of Austria . It is Austria's primate city , with just over two million inhabitants. Its larger metropolitan area has

9558-592: The euro, while the remaining states do not have a migration plan in progress. The euro is divided into 100 cents (also referred to as euro cents , especially when distinguishing them from other currencies, and referred to as such on the common side of all cent coins). In Community legislative acts the plural forms of euro and cent are spelled without the s , notwithstanding normal English usage. Otherwise, normal English plurals are used, with many local variations such as centime in France. All circulating coins have

9676-421: The eurozone are also treated as domestic transactions; however paper-based payment orders, like cheques, have not been standardised so these are still domestic-based. The ECB has also set up a clearing system , TARGET , for large euro transactions. The euro was established by the provisions in the 1992 Maastricht Treaty . To participate in the currency, member states are meant to meet strict criteria , such as

9794-451: The extent of 40,000 cubic metres (1,400,000 cu ft) to take care of draw down condition for operating the power stations of the cascade under two daily peaks in the morning and evening. The surface power station at the end of pressure shafts has two units, each of 40 MW capacity (Francis turbines) operating under a gross head of 150 metres (490 ft) and an average net head is 133.7 metres (439 ft). The annual energy generation

9912-402: The final cost of the project has far outstripped the original estimates due to topography, geology and also possible corruption, which were not assessed at the investigation stage of the project. The carbon emission reduction due to building the Tsankov Kamak HPP is assessed at about 200,000 t CO 2 (228,000 tons of СО 2 including the four rehabilitation projects of the cascade). This credit

10030-588: The first half of the 20th century included, among many, the Vienna Secession movement in art, the Second Viennese School , the architecture of Adolf Loos , the philosophy of Ludwig Wittgenstein , and the Vienna Circle . The city of Vienna became the center of socialist politics from 1919 to 1934, a period referred to as Red Vienna ( Das rote Wien ). After a new breed of socialist politicians won

10148-463: The form of Vienna's great Schottenstift monastery (Scots Abbey), once home to many Irish monks. In 976, Leopold I of Babenberg became count of the Eastern March , a district centered on the Danube on the eastern frontier of Bavaria . This initial district grew into the duchy of Austria . Each succeeding Babenberg ruler expanded the march east along the Danube, eventually encompassing Vienna and

10266-582: The influence of the Social Democratic Party . This led to a civil war between the right-wing government and socialist forces the following year, which started in Linz and quickly spread to Vienna. Socialist members of the Republikanischer Schutzbund barricaded themselves inside the housing estates and exchanged fire with the police and paramilitary groups. The fighting in Vienna ended after

10384-548: The initial designs by Robert Kalina were of specific bridges, including the Rialto and the Pont de Neuilly , and were subsequently rendered more generic; the final designs still bear very close similarities to their specific prototypes; thus they are not truly generic. The monuments looked similar enough to different national monuments to please everyone. The Europa series, or second series, consists of six denominations and no longer includes

10502-638: The lands immediately east. In 1155, Henry II, Duke of Austria moved the Babenberg family residence with the founding of the Schottenstift from Klosterneuburg in Lower Austria to Vienna. From that time, Vienna remained the center of the Babenberg dynasty. Hungary occupied the city between 1485 and 1490. Vienna became at the turn to the 16th century the seat of the Aulic Council and subsequently later in

10620-422: The local elections they engaged in a brief but ambitious municipal experiment. Social democrats had won an absolute majority in the May 1919 municipal election and commanded the city council with 100 of the 165 seats. Jakob Reumann was appointed by the city council as city mayor. The theoretical foundations of so-called Austromarxism were established by Otto Bauer , Karl Renner , and Max Adler . Red Vienna

10738-497: The map only showed the 15 member states of the union as of 2002. Beginning in 2007 or 2008 (depending on the country), the old map was replaced by a map of Europe also showing countries outside the EU . The 1-, 2- and 5-cent coins, however, keep their old design, showing a geographical map of Europe with the EU member states as of 2002, raised somewhat above the rest of the map. All common sides were designed by Luc Luycx . The coins also have

10856-412: The meandering Danube while the city now spans both sides of the river. Elevation ranges from 151 to 542 m (495 to 1,778 ft). The city has a total area of 414.65 square kilometers (160.1 sq mi), making it the largest city in Austria by area. Vienna has a borderline oceanic ( Köppen : Cfb ) and humid continental climate ( Köppen : Dfb ), with some parts of the urban core being warm enough for

10974-403: The middle section of the dam controlled by radial gates of 8 m x 8 m size each designed to pass a 1 in 1000 year frequency flood of 1,425 cubic metres (50,300 cu ft)/sec, which raises the water level to EL 687.42 m (all gates open condition) thus allowing for a free board of 1.42 metres (4.7 ft) to top of the dam. The spillway energy dissipation chute has aeration baffle blocks. Over

11092-680: The national currencies ceased to be legal tender varied from member state to member state. The earliest date was in Germany, where the mark officially ceased to be legal tender on 31 December 2001, though the exchange period lasted for two months more. Even after the old currencies ceased to be legal tender, they continued to be accepted by national central banks for periods ranging from several years to indefinitely (the latter for Austria, Germany, Ireland, Estonia and Latvia in banknotes and coins, and for Belgium, Luxembourg, Slovenia and Slovakia in banknotes only). The earliest coins to become non-convertible were

11210-554: The national currencies had to be carried out using the process of triangulation via the euro. The definitive values of one euro in terms of the exchange rates at which the currency entered the euro are shown in the table. The rates were determined by the Council of the European Union , based on a recommendation from the European Commission based on the market rates on 31 December 1998. They were set so that one European Currency Unit (ECU) would equal one euro. The European Currency Unit

11328-688: The numeric amount varies from state to state, but for texts in English published by EU institutions, the symbol (or the ISO -standard "EUR") should precede the amount. Following the U.S. financial crisis in 2008, fears of a sovereign debt crisis developed in 2009 among investors concerning some European states, with the situation becoming particularly tense in early 2010 . Greece was most acutely affected, but fellow Eurozone members Cyprus , Ireland , Italy , Portugal , and Spain were also significantly affected. All these countries used EU funds except Italy, which

11446-523: The obligation to adopt the euro by not meeting the monetary and budgetary requirements. All nations that have joined the EU since 1993 have pledged to adopt the euro in due course. The Maastricht Treaty was amended by the 2001 Treaty of Nice , which closed the gaps and loopholes in the Maastricht and Rome Treaties. The 20 participating members are EU Outermost Regions : Overseas Territories : Special Autonomous Territories : Microstates with

11564-444: The operation of the eurozone payment systems. The 1992 Maastricht Treaty obliges most EU member states to adopt the euro upon meeting certain monetary and budgetary convergence criteria , although not all participating states have done so. Denmark has negotiated exemptions, while Sweden (which joined the EU in 1995, after the Maastricht Treaty was signed) turned down the euro in a 2003 non-binding referendum , and has circumvented

11682-499: The population, and 200,000 (10.4%) Muslims, 70,298 (3.7%) Orthodox, 57,502 (3.0%) other Christians, and 9,504 (0.5%) other religions. A study conducted by the Vienna Institute of Demography estimated the 2018 proportions to be 34% Catholic, 30% unaffiliated, 15% Muslim, 10% Orthodox, 4% Protestant, and 6% other religions. As of the spring of 2014, Muslims made up 30% of the total proportion of schoolchildren in Vienna. Vienna

11800-403: The printers: Capital within the EU may be transferred in any amount from one state to another. All intra-Union transfers in euro are treated as domestic transactions and bear the corresponding domestic transfer costs. This includes all member states of the EU, even those outside the eurozone providing the transactions are carried out in euro. Credit/debit card charging and ATM withdrawals within

11918-478: The project is located, the geological formation consists of sound granites and gneissic formations except for a small patch of about 7 metres (23 ft), which is the fractured zone of mylonites , which was filled up with concrete. The dam’s rock foundation has seven types of rocks with elastic modules values varying from 12,000 MPa to 72,000 MPa and a Poisson’s ratio varying between 0.24 and 0.27. The damping ratio of 10% for this foundation has been adopted in

12036-455: The project to the Government of Bulgaria. At the end of the year 2003, Alpine Mayreder, an Austrian company, was awarded the civil works contract of the project. The equipment supply and installations were awarded to Austrian group of suppliers, Andritz Hydro for HEM – equipment and Pöyry Energy GmbH for engineering with Energoproekt Hydropower as a Bulgarian Co-designer of the project The project

12154-502: The public; a design competition will also be held. Since 1 January 2002, the national central banks (NCBs) and the ECB have issued euro banknotes on a joint basis. Eurosystem NCBs are required to accept euro banknotes put into circulation by other Eurosystem members and these banknotes are not repatriated. The ECB issues 8% of the total value of banknotes issued by the Eurosystem. In practice,

12272-400: The reservoir in any emergency; it takes about 11–12 hours to empty the reservoir. The outlets have been provided with slide gate controls on the downstream end. The stilling basin of the spillway is also used for energy dissipation of the outflows from the bottom outlets. The penstock/pressure shaft is in the form of a steel lined pressure shaft which is 4.4 metres (14 ft) diameter to carry

12390-467: The reservoir was started in June 2010 and completed over roughly 15 weeks. A reservoir management plan envisages fish farming and reservoir operation and maintenance along the periphery of the reservoir and its tributaries. Two bottom outlets in the form of steel pipes of 1.3 metres (4.3 ft) diameter, each of 28.3 metres (93 ft) length have been provided in the body of the dam which facilitates emptying of

12508-455: The result of the fact that the euro area lacks the support of "institutional paraphernalia (and mutual bonds of solidarity) of a state". The crisis continued with S&P downgrading the credit rating of nine euro-area countries, including France, then downgrading the entire European Financial Stability Facility (EFSF) fund. A historical parallel – to 1931 when Germany was burdened with debt, unemployment and austerity while France and

12626-615: The same decade, Austrian Chancellor Bruno Kreisky inaugurated the Vienna International Centre , a new area of the city created to host international institutions. Vienna has regained much of its former international stature by hosting international organisations, such as the United Nations. Because of the industrialization and migration from other parts of the Empire, the population of Vienna increased sharply during its time as

12744-630: The seat of the Babenbergs , who ruled Austria from 976 to 1246. In 1221, Vienna was granted city rights. During the 16th century, the Habsburgs , who had succeeded the Babenbergs, established Vienna as the seat of the emperors of the Holy Roman Empire , a position it held until the empire's dissolution in 1806, with only a brief interruption. With the formation of the Austrian Empire in 1804, Vienna became

12862-768: The streets. This culminated in the Kristallnacht , a nationwide pogrom against the Jews carried out by the Schutzstaffel and the Sturmabteilung , with support of the Hitler Youth and German civilians. All synagogues and prayer houses in the city were destroyed, bar the Stadttempel , due to its proximity to residential buildings. Vienna lost its status as a capital to Berlin , as Austria had ceased to exist. The few resistors in

12980-464: The successor to the European Currency Unit (ECU). The notes and coins for the old currencies, however, continued to be used as legal tender until new euro notes and coins were introduced on 1 January 2002. The changeover period during which the former currencies' notes and coins were exchanged for those of the euro lasted about two months, until 28 February 2002. The official date on which

13098-433: The €500 with issuance discontinued as of 27 April 2019. However, both the first and the second series of euro banknotes, including the €500, remain legal tender throughout the euro area. In December 2021, the ECB announced its plans to redesign euro banknotes by 2024. A theme advisory group, made up of one member from each euro area country, was selected to submit theme proposals to the ECB. The proposals will be voted on by

13216-560: Was already two years old. While the conversion rates for the initial eleven currencies were determined only hours before the euro was introduced, the conversion rate for the Greek drachma was fixed several months beforehand. The currency was introduced in non-physical form ( traveller's cheques , electronic transfers, banking, etc.) at midnight on 1 January 1999, when the national currencies of participating countries (the eurozone) ceased to exist independently. Their exchange rates were locked at fixed rates against each other. The euro thus became

13334-496: Was an accounting unit used by the EU, based on the currencies of the member states; it was not a currency in its own right. They could not be set earlier, because the ECU depended on the closing exchange rate of the non-euro currencies (principally pound sterling ) that day. The procedure used to fix the conversion rate between the Greek drachma and the euro was different since the euro by then

13452-590: Was converted by the Romans into the castrum Vindobona (province of Pannonia ) in the 1st century, and was elevated to a municipium with Roman city rights in 212. This was followed by a time in the sphere of influence of the Lombards and later the Pannonian Avars , when Slavs formed the majority of the region's population. From the 8th century on, the region was settled by the Baiuvarii . In 1155, Vienna became

13570-454: Was created by the Austrian designer Robert Kalina . Notes are issued in €500 , €200 , €100 , €50 , €20 , €10 , and €5 . Each banknote has its own colour and is dedicated to an artistic period of European architecture. The front of the note features windows or gateways while the back has bridges, symbolising links between states in the union and with the future. While the designs are supposed to be devoid of any identifiable characteristics,

13688-540: Was financed by export and commercial credits, which were finalized in Vienna on 14 November 2003; the financial credit without any backup guarantee by the Government of Bulgaria. The total value of the financing contract was roughly €220 million (€216 million has been specifically cited), with bank security provided by the Oesterreichische Kontrolbank Aktiengellschaft. The balance amount

13806-545: Was financed by the commercial credits provided by VA TECH Finance, Bank Austria Creditanstalt , BNP Paribas Fortis , Raiffeisen Zentralbank , Société Générale , and Credit Suisse First Boston who organized the bank credits. Insurance coverage for the export credit of €100 million was provided by Coface of France; Hermes of Germany; EKN of Sweden and Egap of the Czech Republic apart from the Oesterreichische Kontrolbank Aktiengellschaft (OeKB) which has also covered political and

13924-442: Was introduced to world financial markets as an accounting currency on 1 January 1999, replacing the former European Currency Unit (ECU) at a ratio of 1:1 (US$ 1.1743 at the time). Physical euro coins and banknotes entered into circulation on 1 January 2002, making it the day-to-day operating currency of its original members, and by March 2002 it had completely replaced the former currencies. Between December 1999 and December 2002,

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