Cologne City Hall and 1096 were followed by the formation of a "commune" and first municipal structures as a basis for urban autonomy. In order to consolidate their economic and political rights, Cologne burghers established fraternities and trade guilds (most notably the "Richerzeche"). In the 1106 war of succession between Emperor Henry V and his father Emperor Henry IV, they took deliberate opposition to the archbishop, after which they gained benefit in regards to the city's territorial expansion over the following years. As – at the time – one of Europe's busiests trading ports and largest city in Germany, the population of Cologne
History of the Jews in Cologne there were violent attacks by the SA and SS against Jewish lawyers in the Justice building on Reichensperger Platz. Judges and lawyers were arrested, partly mistreated, then loaded on garbage trucks and taken around the city. In October 1935 Jews were excluded from the benefits of the "Winterhelp of the German People", and a "Jewish Winterhelp" was organized as an autonomous organization. It collected money,food, clothing, furniture and fuel and in winter 1937/38 the organisation supported 2,300 indigent people, a fifth of Jewish community. Although already in 1925 Cologne was the capital of the NSDAP-Gau of Cologne-Aachen, many didn't realize