Aga Khan (Āqā Khān), the title of the imams for the majority community of the Nizārī Ismailis in modern times. Originally conferred on Ḥasan ʿAlī Shāh, the forty-sixth Ismaili Imam, by Fatḥ ʿAlī Shāh Qājār, this title has been generally used in reference to the Nizārī Ismaili imams of modern times. They are listed as follows:
Aga Khan I
Muḥammad Ḥasan Ḥusaynī or Ḥasan ʿAlī Shāh (1219–1298/1804–1881). His grandfather, Mīrzā Abū al-Ḥasan Khān or Sayyid Abū al-Ḥasan Khān, known as Sayyid-i Kaha…