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Gratian was the eldest son of Valentinian I and a co-ruler with his half-brother Valentinian II and his uncle Valens. He fought against the Alamanni, the Goths and the usurper Magnus Maximus, and promoted Nicene Christianity.
Decretum Gratiani is a 12th-century collection of canon law compiled by Gratian, a jurist and teacher. It is the first part of the Corpus Juris Canonici and a source of law for the Roman Catholic Church.
Gratian was a monk who compiled and taught the Decretum Gratiani, a treatise of church discipline based on diverse sources. He initiated canon law as a distinct branch of learning and influenced later papal legislation and codification.
- The Editors of Encyclopaedia Britannica
Aug 21, 2024 · Gratian was a Roman emperor from 367 to 383. During part of his reign he shared this office with his father, Valentinian I (reigned 364–375), and his uncle Valens (reigned 364–378). By proclaiming the eight-year-old Gratian as Augustus (coruler), his father sought to assure a peaceful succession to.
- The Editors of Encyclopaedia Britannica
Jan 4, 2021 · Learn about Gratian, the son of Valentinian I and co-emperor with his brother Valentinian II. Find out how he ruled in the west, campaigned against the Alemanni and Visigoths, and was assassinated by a traitor.
Gratian (Flavius Gratianus), son of *Valentinian I who made him Augustus when aged 8 (367 ce). Ruling the west from 375 he made his tutor *Ausonius praetorian prefect, and (379) appointed *Theodosius (2) I emperor in the east.
Jul 17, 2017 · John T. Noonan Jr. explores the identity and legacy of Gratian, the author of the influential Concordia discordantium canonum, a book that shaped Western legal thought. He examines the sources, traditions, and controversies surrounding Gratian and his work.
