Mosque–Cathedral of Córdoba construction of the Great Mosque, which was considerably expanded by later Muslim rulers. Córdoba returned to Christian rule in 1236 during the Reconquista, and the building was converted to a Roman Catholic church, culminating in the insertion of a Renaissance cathedral nave in the 16th century. Since the early 2000s, Spanish Muslims have lobbied the Roman Catholic Church to allow them to pray in the cathedral. This Muslim campaign has been rejected on multiple occasions, both by the church authorities in Spain and by the Vatican. It is commonly believed that the site of the Mosque-Cathedral was originally a Christian
Roman Catholic Diocese of Koszalin-Kołobrzeg the Diocese of Kujawy–Pomorze (which would merge into aforementioned Gnesen). Only one residential bishop of Kolberg is recorded : (all Roman rite) Roman Catholic Diocese of Koszalin-Kołobrzeg The Roman Catholic Diocese of Koszalin-Kołobrzeg () is a Latin rite suffragan diocese in the Ecclesiastical province of the Metropolitan Archdiocese of Szczecin-Kamień in northwestern Poland. It has its cathedral episcopal see is the Katedra Niepokalanego Poczęcia NMP, in Koszalin, as well as a Co-Cathedral, which is the Minor Basilica: Bazylika Konkatedralna Wniebowzięcia NMP, in Kołobrzeg, both in Zachodniopomorskie, and a former Cathedral: Katedra Świętej Rodziny Katedra Świętej Rodziny, in Piła, in Wielkopolskie.