Vigilius, pope, persecuted by Justinian, [103]
Vikings, the, in Russia, [234]
Visigoths, the, invade Moesia, [35];
slay Valens, [41];
under Alaric, [48];
migrate to Italy, [49]
Vitalian, rebellion of, [61]
Welid, caliph, wars of, with the empire, [182]
Witiges, Gothic king, [88];
besieges Rome, [90];