Kalbach was officially renamed Kalbach-Riedberg in 2006 because of the large residential housing development in the area known as Riedberg. Some of the most important research projects: Planet Earth Simulator, FraLine-IT-School-Service, quantitative analysis of methane in human corpses with the help of a mass spectrometer, software engineering (e.g., fraDesk), analysis of qualitative and quantitative gas in human lungs, long-term studies on photovoltaic modules (to name only a few). Other major companies are Hewlett-Packard, Bridgestone, Deutsche Leasing and Basler Versicherungen. In 2012, Peter Feldmann (SPD) succeeded Roth as Lord Mayor.  According to an annual citizen survey (2010), arranged by the city council, 66 percent inhabitants are satisfied or highly satisfied with the city, while only 6 percent said that they are dissatisfied. After Napoleon's final defeat and abdication, the Congress of Vienna (1814–1815) dissolved the grand-duchy and Frankfurt became a fully sovereign city state with a republican form of government. Central Frankfurt has been a Großstadt (a city with at least 100,000 residents by definition) since 1875. The trade fair premises are located in the western part between Bockenheim, the Westend and the Gallus district. Bachelor in Aviation Management - Bad Honnef - Alemania. Before World War II the city was globally noted for its unique old town with timber-framed buildings, the largest timber-framed old town in Europe. PricewaterhouseCoopers (PwC) German headquarters are located at Tower 185. Postwar reconstruction took place in a sometimes simple modern style, thus changing Frankfurt's architectural face. On the River Main (a tributary of the Rhine), it forms a continuous conurbation with the neighbouring city of Offenbach am Main and its urban area has a population of 2.3 million. In 1914, the citizens founded the University of Frankfurt, later named Goethe University Frankfurt. The Bankenviertel (banking district), Frankfurt's financial district, is also not an administrative city district (it covers parts of the western Innenstadt district, the southern Westend district and the eastern Bahnhofsviertel district). Regional and local trains are integrated in the Public transport system Rhein-Main-Verkehrsverbund (RMV), the second largest integrated public transport systems in the world, after Verkehrsverbund Berlin-Brandenburg. Frankfurt is home to the German office of Reuters, a global news agency. Some areas, especially around the shopping streets Zeil, Goethestraße and Freßgass, are pedestrian-only streets. Its 763,380 inhabitants as of December 31, 2019 make it the fifth-largest city in Germany. It was built in 1868 and was the second bridge to cross the river. slds Frankfurt is a traffic hub for the German motorway (Autobahn) system. Other parts of the old town were reconstructed as part of the Dom-Römer Project from 2012 to 2018. The airport serves as Lufthansa's primary hub with 157 worldwide destinations (compared to 110 destinations at Munich Airport, Lufthansa's second-largest hub). With a population of 732,688 (2015) within its administrative boundaries and of 2,300,000 in the actual urban area, Frankfurt is the fifth-largest city in Germany, after Berlin, Hamburg, Munich and Cologne. 21 de agosto de 1988. Condor is a German airline and part of Thomas Cook Group, based at Frankfurt Airport.  The central junction for the night bus service is Konstablerwache in the city centre, where all night bus lines start and end. Frankfurt Central Station (Frankfurt Hauptbahnhof), which opened in 1888, was built as the central train station for Frankfurt to replace three smaller train stations in the city centre and to boost the needed capacity for travellers. This airport can only be reached by car or bus. Frankfurt has a network of cycle routes. The geographical centre is in Bockenheim district near Frankfurt West station. The elections and coronations took place in St. Bartholomäus Cathedral, known as the Kaiserdom (Emperor's Cathedral), or its predecessors. The city hosts also the annual Frankfurt Marathon and the Ironman Germany. On 1 April 1928 the City of Höchst became part of Frankfurt, as well as its city districts Sindlingen, Unterliederbach and Zeilsheim. The first high-rise building boom came in the 1970s when Westend Gate (then called Plaza Büro Center) and Silberturm were constructed and became the tallest buildings in Germany with a height of 159.3 metres and 166.3 metres, respectively. the Skyliners Frankfurt won the German Basketball Championship in 2004 and the German Cup in 2000. It is located on the north-east corner of the trade fair premises at the so-called city entrance. This blend of attractions led 4.3 million tourists (2012) to visit Frankfurt. The Jewish community has a history dating back to medieval times and has always ranked among the largest in Germany. Together with these towns (and some larger nearby towns, e.g., Hanau, Rodgau, Dreieich, Langen) Frankfurt forms a contiguous built-up urban area called Stadtregion Frankfurt which is not an official administrative district. Frankfurt has Germany's highest concentration of homeowners. By daily passenger volume, it ranks second together with Munich Central Station (350,000 each) after Hamburg Central Station (450,000).  Frankfurter Kreuz, the Autobahn interchange close to the airport, is the most heavily used interchange in the EU, used by 320,000 cars daily. Goethe Business School is part of the University's House of Finance at Campus Westend. The Sankt Georgen Graduate School of Philosophy and Theology (German:Philosophisch-Theologische Hochschule Sankt Georgen), a private institution with membership in the German Jesuit Association, has been located in Sachsenhausen since 1950.  Passenger traffic at Hahn Airport in 2010 was 3.5 million. Some larger housing areas are often falsely called city districts, even by locals, like Nordweststadt (part of Niederursel, Heddernheim and Praunheim), Goldstein (part of Schwanheim), Riedberg (part of Kalbach-Riedberg) and Europaviertel (part of Gallus). Langen is home to Deutsche Flugsicherung, the German air traffic control. For the town in Brandenburg, see, Location of Frankfurt am Main within Hesse, The Frankfurt Parliament at St. Paul's Church in 1848, Reconstruction (1981–1984) of six houses at the east side of the Römerberg which were destroyed in World War II, Impact of French revolution and the Napoleonic Wars, Konstablerwache station and Hauptwache station, European Insurance and Occupational Pensions Authority, Frankfurt School of Finance and Management, European Union: State of European Cities Report, H. Voit, Die kommunale Gebietsreform in: Erwin Stein (Hrsg. The airport also serves as a hub for Condor and as the main hub for German flag carrier Lufthansa. The Kaisersaal ("Emperor's Hall") is located on the upper floor and is where the newly crowned emperors held their banquets. Colonia y Berlín.  It is the only German city considered to be an alpha world city (category 3) as listed by the Loughborough University group's 2010 inventory, which was a promotion from the group's 2008 inventory when it was ranked as an alpha minus world city (category 4)..  According to calculations based on census data for 21 countries of origin, the number of Muslim migrants in Frankfurt amounted to about 84,000 in 2011, making up 12.6 percent of the population.