Of or pertaining to Yezdegerd, the last Sassanian monarch of Persia, who was overthrown by the Mohammedans; as, the Yezdegerdian era, which began on the 16th of June, a. d. 632. The era is still used by the Parsees.
A term applied to an era, dated from the overthrow of the Persian Empire, when Yezdegerd was defeated by the Arabians, in the eleventh year of the Hegira, A.D. 636.
