History of Cologne City Archive, which was the largest in Germany. Its building collapsed during the construction of an extension to the underground railway system on 3 March 2009. History of Cologne The German city of Cologne was founded in the 1st century as the Roman Colonia Claudia Ara Agrippinensium. It was taken by the Franks in the 5th century and became an important city of Medieval Germany, the seat of an Archbishop and a Prince-Elector. As the Free Imperial City of Cologne it was one of the centers of the Hanseatic League in the early modern period. Most of the city was
Cologne I and Neustadt-Nord. The latter area includes about half of Cologne's old and new town areas. The following table does not list parties which did not contest or gain constituency votes. Cologne I Cologne I () is one of the four electoral districts (German: "Wahlkreis") covering the city of Cologne in the German Bundestag. Part of the state of North Rhine-Westphalia, the constituency elects one representative under the mixed member proportional representation (MMP) system. Under the current constituency numbering system, it is designated as constituency 94. Covering the south eastern quarter of the city of Cologne, the constituency contains the entirety