In 1074 the commune was formed. By the 13th century, the relationship between the city and its archbishop had become difficult, and after the Battle of Worringen in 1288, the forces of Brabant and the citizenry of Cologne captured Archbishop Siegfried of Westerburg (1274–97),Harry de Quetteville. "History of Cologne". The Catholic Encyclopedia, November 28, 2009. resulting in almost complete freedom for the city. To regain his liberty the archbishop recognized the political independence of Cologne but reserved certain rights, notably the administration of justice.
in 1074 the commune was formed by the 13th century the relationship between the city and its archbishop had become difficult and after the battle of worringen in 1288 the forces of brabant and the citizenry of cologne captured archbishop siegfried of westerburg (1274–97)harry de quetteville "history of cologne" the catholic encyclopedia november 28 2009 resulting in almost complete freedom for the city to regain his liberty the archbishop recognized the political independence of cologne but reserved certain rights notably the administration of justice