A study on the reasons of changing Caliphate center from Medina to Kufa (35-40 A.H)

The necessity for moving center of Islamic Caliphate is among those subjects which always mattered during different period of Islamic history and follow-ed by important effects. Changing the center of Islamic Caliphate from Medina – as the first Islamic government capital – to newly established city of Kufa, is considered one of the most important events of highness Ali (peace be upon him) Caliphate period. This alteration played an important role in shaping political events between  to  A.H. This city established in  A.H during Omar Caliphate, used as a military base and logistic center to make sure Arab achievements in Iran would continue, but eventually by increasing emigration of Arab tribes, Kufa became an important effective center in political and cultural affairs and served this special place during the Caliphate of highness Ali (PBUH) and Umayyad dynasty. On this basis, the article tries to survey briefly the reasons of changing Caliphate center from Medina to Kufa.