Author
Abstract
One of the influential phenomenal in the post-Islamic history of Iran is the coming of social groups from outside of its territory in the form of tribes and nomad. It first happened through the immigration of Muslim Arab tribes who came to Iran for Jihad. But after the conquest of Iran by the Muslim Arabs and fall of the Sassanid political administrative system, lack of central government in the first centuries of the Islamic period in Iran and collapse of political borders, opened the way for the coming of other tribes from the neighboring countries, especially the Turk tribes of Central Asia. The coming of the latter had a deep impact on the fate of the social history of post-Islamic Iran. Seljuquid era is one of the most important in the history of coming of these tribes to Iran. The purpose of this article is to study the role of the Central Asian immigrant tribes in the incidents of the eastern parts of Iran during the second half of the
Seljuqid rule with an emphasis on the reign of Sultan Sanjar.
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