Explanation

The Sasanian Dynasty ruled Iran before the Muslim conquest and the establishment of the Umayyad and Abbasid dynasties.

• Sasanian Dynasty: Ruled Iran before the Muslim conquest.
• Umayyad Dynasty: The first Muslim dynasty, established in 661 in Damascus by Muʿāwiyah ibn Abī Sufyān.
• Abbasid Dynasty: The second major Islamic dynasty, established in 750 after the overthrow of the Umayyads.