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 6 synagogues and other community and meeting places in Cologne, which were all violated in the Kristallnacht on 9 November 1938 and were completely destroyed after the war, until the reconstruction of the synagogue in Roonstraße. Also in Cologne there were Nazi and antisemitic attitudes in the population and society. In fact Cologne politicians like Konrad Adenauer or writers like Heinrich Böll demonstrated a spirit of defiance and sovereignty that "no tyrant, no dictator can feel well in Cologne". A few Cologne people made an open opposition to Nazism or hid Jews (a known example of this is the Ehrenfeld