Nizari Isma'ilis are the largest segment of the Ismailis, who are the second largest branch of Shia Islam after the Twelvers. Nizari teachings emphasise pluralism, social justice and ijtihad – though
Palacete Mendonça in Lisbon
A water colour ink and gold page from a Persian Quran, 14th century
Hasan-i Sabbah, also known as Hasan I of Alamut, was a military leader, founder of the Nizari Ismai'li sect, Order of Assassins, as well as the Nizari Ismaili state, ruling from 1090 to 1124 AD.
Nizari Isma'ilism
…in his reign, the Fatimid Caliph-Imam al-Mustansir Billah had publicly named his elder son Nizar as his heir to be the next Fatimid Caliph-Imam. Dai Hassan-i Sabbah, who had studied and accepted Ismailism in Fatimid Egypt, had been made aware of this fact personally by al-Mustansir. After Al-Mustansir died in 1094…
Engraving of Hasan-i Sabbah riding a horse
The Hashshashin's fortress of Alamut Castle
Hassan al-Sabbah (right) depicted with his followers, in the first edition of The Travels of Marco Polo, c. 1310