Definition: Valentinian (Flavius Valentinianus), from Pannonia [see Pannonia in this
Map of the eastern provinces of the Roman Empire], was a Roman emperor from 364-375, tolerant of heretics and pagans. He was born in 321, the son of Gratian, a soldier. Valentinian followed his father into the military. He was appointed emperor on February 26, 364, following the death of Jovian [see Table of the Emperors - Dynasty of Constantine]. He appointed his brother Valens as co-ruler. Valens lived in Constantinople and Valentinian in Milan.
Also see:
Roman Emperors
Ancient History Glossary
Source: DIR Valentinian
Ancient History Glossary
Source: DIR Valentinian
Examples:
The dynasty of Valentinian, which followed the dynasty of Constantine, included Valentinian I (364-375), Valens (364-378), Gratian (375-383, co-regent in 367), and Valentinian II (375-392).
