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
Kilian of Cologne use of his monastery and pilgrim monks, several farms, with the fishing of the Rhine attached; three churches, several manses, vineyards, and exemption from some of the taxes in the city and in the empire. He also got charge of the monastery of St. Pantaleon, in the city, as well as of St. Martin's. It is evident there must have been Irish monks in the former as well as in the latter of these monasteries."" He died 19 January 1003, after which date the abbey appears to have declined in its Irish connection. Kilian of Cologne Kilian of Cologne, Irish