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Hasan III

Type Figure Region Persia Time c. 1150–1221 Also known as Ala al-Din Hasan III、Nizari Ismaili Imam Hasan III

Hasan III (c. 1150–1221) was the 25th Imam of the Nizari Ismailis, ruling Alamut fortress from 1187 to 1221.…

Timeline

  1. 1210–1213Alamut · Gilan ProvinceHasan III announced an open conversion to Sunni Islam, demolished Ismaili minarets, and made overtures to Abbasid caliph al-Nasir, ending decades of hostility after the Great Occultation and securing political survival space for the Nizari cause.
  2. 1221Alamut · Gilan ProvinceHasan III died in 1221 and was succeeded by his son Muhammad III; the Nizari regime continued ruling from Alamut and its various fortresses, maintaining independence until the eve of the Mongol conquests in the 1240s.

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