_Anastasius_, eastern emperor in 491, made emperor when a _Silentiarius_ in the court, 518, 83; summary of his reign in the "libellus synodicus," 100-1; four Popes--Gelasius, Anastasius, Symmachus, and Hormisdas--have to deal with him, 102; tries to prevent the election of Pope Symmachus, 129; he is obliged to allow the Roman See not to be judged, 143; he deposes Euphemius, and puts Macedonius in his stead at Constantinople, 143; exalts Timotheus to the see of Constantinople, 148; fills the eastern patriarchal sees with heretics, 149; being pressed by Vitalian, betakes himself to Pope Hormisdas, 150; receives his conditions, except those concerning Acacius, 159; his treachery and cruelty, 160; his sudden death, 162 _Anatolius_, bishop of Constantinople, crowns the emperor Leo I., dies in 458, 64; his ambition seen and checked by St. Leo, 60; is to Leo what John the Faster is to Gregory, 307 _Anicius Olybrius_, Roman emperor, 20 _Anthemius_, Roman emperor, 18 _Arianism_, propagated among the Goths by the emperor Valens, 49; communicated by them to the Teuton tribes, 29; prevalent throughout the West, 50; fails in the Vandal, Visigothic, Burgundian, and Ostrogothic kingdoms, 327-9 _Aspar_, Arian Goth, makes Leo I. emperor, and is slain by him, 62 _Ataulph_, marries Galla Placidia, his judgment upon the Goths and Romans, 43 _Avitus, St._, bishop of Vienne, in Gaul, his character of Acacius, 93; his letter to Clovis on his conversion, 124; urges his duty to propagate the faith in the peoples around him, 126; writes to the Roman senate that the cause of the Bishop of Rome is not one bishop but that of the Episcopate itself, 140 _Avitus_, Roman emperor, 13 _Augustine, St._, the great victory of the Church which he did not foresee, 57 _Baronius_, quoted, 76, 79, 202, 207 _Basiliscus_, usurper, first of the theologising emperors, 46 _Belisarius_, reconquers Northern Africa, 199; begins the Gothic war, and enters Rome, 205; deposes Pope Silverius, 207; defends Rome against Vitiges, 210; captures Rome the third time, 207 _Benedict, St._, his monastery at Monte Cassino destroyed by the Lombards, 290; his Order has its chief seat for 140 years at St. John Lateran, 290; rebukes and subdues Totila, 215 _Byzantium_, the over-lordship of its emperor acknowledged, 18, 23; the succession to its throne, 61; its constitution under Justinian contrasted with the medieval constitution of England, 250 _Cassiodorus_, his letter as Praetorian prefect to Pope John II., 195 _Church, Catholic_, its two great victories, 5, 25; attested and described by Gibbon, 325 _Civilta Cattolica_, quoted, 103, 104, 128