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Masʿūd I was a Ghaznavid ruler who reigned from 1031 to 1041 CE. The Ghaznavid dynasty, of Turkic origin, controlled territories in present-day Afghanistan, Iran, and northern India. Masʿūd I inherited a vast empire from his father, Mahmud, but struggled to maintain its integrity.

His reign was marked by conflict with the Seljuq Turks. In 1040, Masʿūd I suffered a significant defeat at the Battle of Dandānqān. This loss resulted in the Seljuqs taking control of Ghaznavid territories in Iran and Central Asia. Consequently, Masʿūd I was forced to retreat to Lahore in India, where the Ghaznavids continued to rule until 1186.123

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