Title: La svolta politico-ecclesiastica tra Roma e Bisanzio (1249-1254)
Subjects: Catholic Church, Church and state, History, Orthodox Eastern Church, Papacy, Relations, Sinodo di Ninfeo
People: Frederick II Holy Roman Emperor, Frederick II Holy Roman Emperor (1194-1250), Friederich II emperor of Germany (1194-1250), Giovanni da Parma, Giovanni da Parma (ca. 1208-1289), Innocentius IV Pope (d. 1254)
Time periods: To 1309