Fall of Sasanian Empire of Persia
- caused by economic decline, heavy taxation, religious unrest, rigid social stratification, the increasing power of provinicial landholders, and a rapid turnover of rulers.
-During this fall, Muslim warriors broke into the Sasanian heartland.
-Capital was taken, armies were destroyed, and generals were slain.
Significance: Their fall marked Muslim victory and rise of Islamic civilization. The end of the Sassanid empire caused end of Zoroastrianism.