 To establish his diocese, Henry II needed to overcome the consideration resistance of the Bishop of Würzburg, as the new diocese would comprise about one-fourth of the former's territory.Henry II desired the new Diocese to aid in the final conquest of the pagan Slavs in the area around Bamberg.Henry II held a synod in Frankfurt on November 1, 1007, to build consensus among the bishops of the Empire on the establishment of the Diocese of Bamberg.