Cologne belonged to the Roman Catholic Church, the largest religious body, and 15.5% to the Evangelical Church. Cologne is the seat of the Roman Catholic Archdiocese of Cologne. There are several mosques, including the Turkish-Islamic Union for Religious Affairs run Cologne Central Mosque. Cologne also has one of the oldest and largest Jewish communities in Germany. The city's administration is headed by the mayor and the three deputy mayors. The long tradition of a free imperial city, which long dominated an exclusively Catholic population and the age-old conflict between the church and the bourgeoisie (and within it between the patricians and
History of the Jews in Cologne Bonn to Cologne. He belonged to the families who built the first Cologne community of Modern Times. Oppenheim, Jr. traded with cotton, linen, oil, wine and tobacco but his main activity was banking. Already in 1810 his bank was the second largest in Cologne after "Abraham Schaffhausen". Within the new Cologne Jewish community, Oppenheim, Jr. took an outstanding position in the social and political life. He was in charge of the community school but he was also the deputy of the Cologne community, who sent him to the congress of Jewish Notables in Paris in 1806–1807. A modest hall of