Episcopate at Ravenna
Apollinaris is held to have been the first Bishop of Ravenna, sent there by the Apostle Peter. The sources differ on the length and exact span of his episcopate: one account gives an office of roughly 26 years, while another places it from about 50 to 78, an episcopate spanning some 28 years.
His ministry centered on evangelization in the surrounding region of Emilia-Romagna. His teaching and the miracles attributed to him drew converts but also provoked official pagan opposition, leading to repeated expulsions and sufferings. By one account he was succeeded as Bishop of Ravenna by Aderitus.