Islamization of Iran

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The Islamization of Iran was the spread of Islam in formerly Sassanid Iran as a result of the Muslim conquest of the empire in 633–654. It was a long process by which Islam, though initially rejected, eventually spread among the population on the Iranian Plateau. Iranian peoples have maintained certain pre-Islamic traditions, including their language and culture, and adapted them with Islamic codes. These two customs and traditions merged as the "Iranian Islamic" identity.^[1]

The Islamization of Iran was to yield deep transformations within the cultural, scientific, and political structure of Iran's society: The blossoming of Persian literature, philosophy, medicine and art became major elements of the newly forming Muslim civilization. Integrating a heritage of thousands of years of civilization, and being at the "crossroads of the major cultural highways",^[2] contributed to Persia emerging at the forefront of what culminated as the "Islamic Golden Age".