Fatemeh HADINEZHAD

The fall of Sassanid Empire by Muslim Arabs brought about a deep transformation in religious aspect of Iranian society. Meanwhile Iranian society classes and people were divided into a number of groups. Zoroastrian Mobeds (priests) who held the highest rank in Sassanid era as the religious authority and were in charge of implementation of the religious codes did not surrender before the foreign religion and adopted a set of measures in order to preserve their own Zoroastrian rituals and religion culture the result of which was the compilation of Zoroastrian Scripture that was authored in ninth and tenth centuries. The existing sources suggest that Zoroastrian religion was still powerful until eighth century and many of Pahlavi books that are now missed existed in those times. The existence of these books shows that Arabs were not directly responsible for their destruction. However, after the conversion of Iran to Islam following Arab invasion the Zoroastrianism turned to a minority creed and very soon its religious literature started to disappear. The disappearance of these works was more due to the impossibility of the publication of the new editions of their manuscripts than their annihilation by Arab conquerors. Generally speaking, the current essay has used historical (library) method for data collection and it has been compiled using analytical method. In other words, this research is based on understanding the whole of "written works of Zoroastrian works after the arrival of Islam to Iran" and for understanding this whole it assays its parts