Mülheim, Cologne In April 1914, Mülheim was incorporated into Cologne. Mülheim consists of nine "Stadtteile" (city parts): Mülheim is served by numerous railway stations and highway. Train stations include Köln-Mülheim, Köln-Buchforst, Köln-Dellbrück and Köln-Stammheim, as well as numerous light rail stations of Cologne Stadtbahn line 3, 4, 13 and 18. Bundesautobahn 3 passes through Dellbrück and Dünnwald, as part of the Cologne Beltway. Mülheim, Cologne Mülheim (, , ) is a city district (Stadtbezirk) of Cologne in Germany and a formerly independent town ("Mülheim am Rhein"). Mülheim is located on the right bank of the Rhine opposite the old town of Cologne.
Electorate of Cologne confused with the Roman Catholic Archdiocese of Cologne, which was larger and included suffragant bishoprics such as Liège and Münster over which the Elector-Archbishop exercised only spiritual authority (see map below). Cologne was the ancient Roman city of Colonia Agrippina in the province of Germania Inferior, and has been a bishop's see since Roman times. In 953, the archbishops of Cologne first gained noteworthy secular power, when Bishop Bruno was appointed as duke by his brother Emperor Otto I. To weaken the secular nobility, who threatened his power, Otto endowed Bruno and his successors in the bishop's see with the