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 origin in southern France, but quickly snowballed across the Continent. They formed the background for a murderous pogrom on 23/24 August 1349 in Cologne. There is a letter of the Cologne Council to the council of Strassburg in which the Cologne Council expresses concern about an anti-Jewish incident in Strassburg and warns insistently against an escalation. The Jews and their possessions were protected by letters of protection or consolation, which had to be considered. In the same letter the Cologne Council make clear that they would decidedly protect their own Jews. The council of Strassburg, however, having initially taken a