Yazdegerd III

Yazdegerd III was the last Sasanian king of Iran, reigning from 632 until his death in 651 as Arab armies conquered the empire.

Sasanian Empire: The Iranian empire ruled by the Sasanian dynasty from 224 to the Arab conquest in the seventh century. Yazdegerd inherited this empire after years of succession struggles and war.
Battle of al-Qadisiyyah: A battle in 636 or 637 in which Arab Muslim forces defeated a Sasanian army in Iraq. Its defeat opened the route toward the Sasanian capital.
Rostam Farrokhzad: A leading Sasanian general who commanded the Persian army at the Battle of al-Qadisiyyah. His defeat and death deprived Yazdegerd of a leading military commander.
Battle of Merv: A battle near Merv in 651 that ended with the death of Yazdegerd III. His death there ended organized Sasanian kingship.
Yazdegerd III's flight: The eastward retreat of the last Sasanian king as Arab armies advanced through Iran. His repeated flight illustrates the loss of territory and support during his reign.
Khosrow II: A Sasanian king whose reign ended in 628 after a prolonged war with the Byzantine Empire. His overthrow began a succession crisis that preceded Yazdegerd's accession.
Battle of Nahavand: A major battle around 642 in which Arab Muslim forces defeated a Sasanian army in western Iran. The defeat sharply reduced the empire's capacity to resist further conquest.
Khalid ibn al-Walid: An Arab Muslim commander who led campaigns in Iraq and Syria during the early conquests. His campaigns helped establish Arab military power on the empire's western frontier.
Marzban: A Sasanian frontier governor or military commander responsible for a province or border region. Regional authorities became more prominent as royal control collapsed.
Yazdegerd III's death: The killing of Yazdegerd III near Merv in 651, after he had lost effective control of Iran. Accounts of his death became the final episode in narratives of Sasanian rule.

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Muslim conquest of PersiaRelated: His flight and death marked the end of the Sasanian monarchy.