Under the supervision by prof. Dr. Alaa Nafea Jasim (the director of the center , the center of heritage revival organizes seminar entitled (The doctrinal heritage in the Zoroastrian religion) where sited in the gallery of the center on Tuesday 16th/4/2024 that presented by Dr. Wasan Hussien Mohiemeed (the chief of manuscript in the center ,who talked about the definition of religion sources Starting from its founder, the date of its appearance, the places of its spread, its beliefs, and the nature of their lives, especially since they were part of the components of the society of the Arab Islamic state until the end of the Abbasid era, they were treated among the so-called people of the Dhimmah. They have their rights and duties towards the state, and among them several scientific figures emerged.