General Notes

As King Bahram V, surnamed Gur (Wild Ass), he became the favourite of Persian popular tradition, which exuberantly celebrates his prowess in hunting and in love. Unsuccessful in war with Byzantium (421-422), Bahram V made a 100-year peace and granted freedom of worship to the Christians. In the east he did succeed in repelling an invasion by a new wave of Hephthalites. In the following decades,
however (second half of the 5th century), Hephthalite attacks continued to harass and weaken the Sasanians.
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Also called BAHRAM GUR, Sasanian king (reigned 420-438). He was celebrated in literature, art, and folklore for his chivalry, romantic adventures, and huntsmanship.

He was educated at the court of al-Mundhir, the Lakhmid Arab king of al-Hira, in Mesene, whose support helped him gain the throne after the assassination of his father, Yazdegerd I. He was apparently also supported by Mihr-Naresh, chief minister of Yazdegerd's last years, to whom Bahram later delegated much of the governmental administration.

Bahram carried on an inconclusive war with the Romans (421-422), and in 427 he crushed an invasion in the east by the nomadic Hephthalites, extending his influence into Central Asia, where his portrait survived for centuries on the coinage of Bukhara (in modern Uzbekistan).
Source: www.eb.com