 In 241 CE, a priest named Poplius Memmius Leon organized the Naia festival of Dodona.In 362 CE, Emperor Julian consulted the oracle prior to his military campaigns against the Persians.Pilgrims still consulted the oracle until 391-392 CE when Emperor Theodosius closed all pagan temples, banned all pagan religious activities, and cut down the ancient oak tree at the sanctuary of Zeus.