Abstract:

This article examines, in general, the place of some people who played important roles on political developments in the period of Caliph Ali and his son, Hasan, and, in particular, the place of Kays b. Sa’d who was one of the genius of Arabic people and statesmen, his political and administrative affairs, the explana-tions of the first domestic disorders, the reasons for the dividing of the Muslim nation, and the policies of the statements towards those events. Kays b. Sa’d worked as a governor of Egypt and Azerbaijan in the time of Caliph Ali, as a commander of army, as a consultant in the state affairs, as an ambassador at abroad, and caused the companions of the Prophet Muhammad engage in war on behalf of Caliph Ali in the civic wars. He took an active role in having of caliphate for Hasan, and fought against Muaviye for his accomplishing of this task. When Hasan and Muaviye came to an agreement, Kays b. Sa’d made a written agreement based on the stipulation that any harm in terms of life and properties would not be given to the followers of Ali, and then he left from his duty. He also played an important role in not giving any punishment for their past activities.

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