Aalborg, is an industrial and university city in the North of Jutland, Denmark. It has an urban population of 112,194, By road Aalborg is southwest of Frederikshavn, and north of Aarhus. The distance to Copenhagen is . The earliest settlements date to around AD 700. Aalborgs position at the narrowest point on the Limfjord made it an important harbour during the Middle Ages, and later a large industrial centre. Architecturally, the city is known for its half-timbered mansions built by its prosperous merchants. Budolfi Church, now a cathedral, dates from the end of the 14th century and Aalborghus Castle, a royal residence, was built in 1550. Today, Aalborg is a city in transition from a working-class industrial area to a knowledge-based community. A major exporter of grain, cement, and spirits, its thriving business interests include Siemens Wind Power, Aalborg Industries, and Aalborg Portland. These companies have become global producers of wind turbine rotors, marine boilers and cement. With its theatres, symphony orchestra, opera company, performance venues, and museums such as Aalborg Historical Museum and the Aalborg Museum of Modern Art, Aalborg is an important cultural hub. The Aalborg Carnival, held at the end of May, is one of the largest festivals in Scandinavia, attracting some 100,000 people annually. The major university is the University of Aalborg, founded in 1974, which has more than 17,000 students. The University College of Northern Denmark is one of seven new regional organisations while the Royal School of Library and Information Science provides higher education in library and information science. Trænregimentet, the Danish regiment for army supply and emergency medical personnel, is also in Aalborg. Aalborg University Hospital, the largest in the north of Jutland, was founded in 1881. The football club Aalborg BK, established in 1885 and based at Nordjyske Arena, won the Danish Superliga in the 1994–95 season, the 1998–99 season, the 2007–08 season and the 2013–14 season. Other sports associations include the icehockey club Aalborg Pirates, the mens handball team Aalborg Håndbold, the rugby club Aalborg RK, and Aalborg Cricket Club. Aalborg Railway Station, on John F. Kennedys Plads has connected the city to Randers and the south since 1869. Aalborg Airport is just northwest of the city centre, and the E45, a European route from Karesuando, Sweden, to Gela, Italy, passes through Aalborg. The European Commission has concluded that the citizens of Aalborg are the most satisfied people in Europe with their city.