Ado

ADO (died 874), archbishop of Vienne in Lotharingia, held his archiepiscopal see from 859 till his death Dec. 16, 874. His extant letters reveal their writer as an energetic man of wide sympathies. Ado's principal works are a Martyrologium (printed inter al. in Migne, Patrolog. lat. cxxiii. pp. 181-420 ; append. pp. and chronicle, Chronicon sive Breviarium chronicorum de sex mundi aetatibus de Adamo usque ad ann. 869 (in Migne, cxxiii. pp. 20-138, and Pertz, Monumenta Germ. ii. pp. 315-323).

Ado's chronicle is based on that of Bede, with which he com bines extracts from the ordinary sources, forming the whole into a consecutive narrative founded on the conception of the unity of the Roman Empire, which he traces in the succession of the emperors, Charlemagne and his heirs following immedi ately after Constantine and Irene.

BIBLIOGRAPHY.-Ado

wrote also a book on the miracles (Miracula) Bibliography.-Ado wrote also a book on the miracles (Miracula) of St. Bernard, archbishop of Vienne (gth century), published in the Bollandist Acta Sanctorum; a life or Martyrium of St. Desidcrius, bishop of Vienne (died 6o8), written about 87o and published in Migne, cxxiii. pp. ; and a life of St. Theudericus, abbot of Vienne (563), published in Mabillon, Acta Sanct., i. pp. 678-681, Migne, cxxiii. pp. and revised in Bollandist Acta Sanct., Oct. 29, Xii. pp. See W. Wattenbach, Deutschlands Geschichts quellen, vol. i. (Stuttgart, 1904)•