Theodosius IThe·o·do·sius I
(Flavius Theodosius) 346?-395; Rom. general: emperor of Rome (379-395): called the Great
Known as “Theodosius the Great.” AD 346?–395.
Emperor of Rome who ruled jointly (379–392) with Gratian and Valentinian II and independently (392–395). He repressed paganism and Arianism and in his will divided the eastern and western portions of the empire between his two sons.