Comparing the coup d'état of August 19, 1953 and the coup d'état of Noge using the design of the most similar systems: presenting the conceptual framework of the coup d'état analysis.

Coup d'état as a form of political regime change is a phenomenon that has occurred in many countries, including Iran.Among the conducted researches, firstly, there has been less comparison of coup d'états, secondly, there is no conceptual framework that renders to analyze the causes, processes and consequences of coup d'état. In the present article, using the method of agreements and differences, the two coups of August 19, 1953 and the coup of July 9, 1980 in Nojeh have been compared and the similarities and differences of the two coups in terms of the causes of the coup, the implementation process of the two coups, and the consequences has been compared.The result of comparing these two coups in the two societies before and after the Islamic Revolution of Iran is that: despite more efforts and more complex design and more expenses of the Americans to change the political system through a coup during the Nojeh coup, due to the fundamental changes in Iranian society after the Islamic revolution, this coup failed, although in terms of the causes of the coup and the execution process, there were many similarities between these two coups.