The Archdiocese of Cologne (Latin: Archidioecesis Coloniensis; German: Erzbistum Köln) is an archdiocese of the Catholic Church in western North Rhine-Westphalia and northern Rhineland-Palatinate in Germany. At an early date Christianity came to Cologne with the Roman soldiers and traders. According to Irenaeus of Lyons, it was a bishop's see as early as the second century. However, Saint Maternus, a contemporary of Constantine I, is the first historically certain bishop of Cologne. As a result of its favourable situation, the city survived the stormy period around the fall of the Western Roman Empire. When the Franks took possession of the country in the fifth century, it became a royal residence. On account of the services of the bishops to the Merovingian kings, the city was to have been the metropolitan see of Saint Boniface, but Mainz was chosen, for unknown reasons, and Cologne did not become an archbishopric until the time of Charlemagne. The city suffered heavily from Viking invasions, especially in the autumn of 881, but recovered quickly from these calamities, especially during the reign of the Ottonian emperors. More information...
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