Reasons and Quality of the Conversation of Sultan Ahmed Tequder and Sultan Mahmud Ghazan to Islam

One of the most important events in the course of Ilkhanid era was the Conversation of Sultan Ahmed Tequder in 681 AH and Sultan Mahmud Ghazan to Islam In the year AH. Conversation of Ilkhans to Islam has direct impact in legitimacy and Strengthening the power base and as well as formation, Development of Iranian culture. In most research on religion and Islamism took place in contemporary Iran reflecting comments of earlier Iranian historians to be seen. This researchers, As scientific research is worthy, have not paid attention to Ilkanid Opposing viewpoints resource, especially Arabic Research in the Mamluks territory and European Researchers. so have not research about the hidden and neglected angles of the Conversation of Ilkhanid Sultans. Considering the importance of acceptance of Islam by the the Mongols Rulers,the present article attempts according to available resources to examine Motives and causes of religious behavior in two of Ilkhans. and studied its effects on domestic and foreign relations in comparative study.