Demographics of Cologne and on 1 April 1888 ended in a first major incorporation. The territorial expansion, beginning in the late 19th century, were significant marks for the city's population growth. Major communal reorganizations took place in 1910, 1914, 1922 and 1975. Demographics of Cologne Cologne () is Germany's fourth-largest city and the largest city in the Rhineland. As of 31 December 2011, there were officially 1,017,155 residents. The city is center of the Cologne/Bonn Region with around 3 million inhabitants (including the neighboring cities of Bonn, Hürth, Leverkusen, and Bergisch Gladbach). The walls of Colonia Agrippina covered an area of 96.8 hectares,
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