Rulers of the Roman Empire
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2007
...ROMAN EMPIRE Rulers of the Roman Empire ( including dates of...96 Nerva, elected interim ruler, 96 98 Trajan, adopted son...Valentinian II, son of Valentinian I, ruler of the West, 375 92 Eugenius...Theodosius I (the Great), appointed ruler of the East, 379 95, by Gratian...