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 that an attempt was made immediately to re-establish a full community, rather than allowing only a few Jews to settle at a time, as was the procedure of most other large towns. In 1424, Jews were banned from the town "for eternity". Following the medieval pogroms and expulsion of 1424, many Jews of Cologne emigrated to central or northern European countries like Poland and Lithuania, then part of the "Ordensstaat" of the Teutonic Order. The offspring of these emigrants returned to Cologne at the beginning of the 19th century and lived mainly in the area of Thieboldsgasse on the southeast