Manuel I Komnenos, Byzantine emperor (died 1180)

Manuel I Komnenos, Latinized as Comnenus, also called Porphyrogenitus, was a Byzantine emperor of the 12th century who reigned over a crucial turning point in the history of Byzantium and the Mediterranean. His reign saw the last flowering of the Komnenian restoration, during which the Byzantine Empire experienced a resurgence of military and economic power and enjoyed a cultural revival.