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Following the victory of Islamic Revolution in Iran, the major concern on dominant international system, especially the USA, was the impact of the Revolution on neighboring countries in particular, and Muslim societies in general, which have had common grounds from the cultural point of view. In this article, efforts have been made to analyze the impact of Islamic Revolution on Muslim world during a quarter of a century since the victory of Revolution. It has been eventually concluded that first of all the revolution had negative impact on the governments of Islamic countries and created major concern for the changes in status-quo and, as a result, they tried to control and even prevent the influence of the waves of the revolution in their own countries. On the contrary, the revolution had positive impacts on Mulsim Societies and was welcomed by their peoples. Ont eh other hand, this development had deeper impact on the Shiate societies and was followed by revolutionary uprisings such as in Lebanon. While this development in the Sunnite societies was followed by reformist movement such as in Turkey and Algeria. Finally, it could be claimed that Islamic awakening, returning to Islamic values, strengthening Islamic movements and antagonistic approach to the Western interventionist policies and values in Muslim societies, in general, are due to the victory and continuity of Islamic Revolution in Iran.