Dating 50 Lyngby-Taarbæk
With the development of the rail network in the 19th century, Roskilde became an important hub for traffic with Copenhagen, and by the end of the century, there were tobacco factories, iron foundries and machine shops.
Among the largest private sector employers today are the IT firm BEC (Bankernes EDB Central) and GPI (Glim Plastic Industri), specializing in plastics.
The Risø research facility is also becoming a major employer, extending interest in sustainable energy to the clean technology sphere.
The local university, founded in 1972, the historic Cathedral School, and the Danish Meat Trade College, established in 1964, are educational institutions of note.
The Reformation brought Roskilde's development to an abrupt stop.
While the cathedral continued to be the preferred location for the entombment of the Danish monarchs, most of the other religious institutions disappeared.
Roskilde has the oldest operational railway station in Denmark, with connections across Zealand as well as with Falster, Lolland, and Jutland.
Industries began to move out of the harbour area but were still the largest source of employment, thanks in part to the spirits factory (De Danske Spritfabrikker) and the slaughterhouse (Roskilde Andelssvineslagteri).
In the 1970s, the city benefited from the Holbæk Motorway which linked it to Copenhagen and the establishment of Roskilde University in 1972.
According to Adam of Bremen and the Saxo Grammaticus, Roskilde was founded in the 980s by Harald Bluetooth.
On high ground above the harbour, he built a wooden church consecrated to the Holy Trinity as well as a royal residence nearby.
Roskilde has a long history, dating from the pre-Christian Viking Age.