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Yazdegerd I ("made by God" Izdigerdes), king of Persia, son of Shapur III, 399-420, called "the sinner" by the Persians.
He was a highly intelligent ruler, who tried to emancipate himself from the dominion of the magnates and the Magian priests. He punished the nobles severely when they attempted oppression; he stopped the persecution of the Christians and granted them their own organization.
After a reign of twenty years he appears to have been murdered in Khorasan.
This entry was originally from the 1911 Encyclopedia Britannica.