Hassan-i Sabbah

The founder of the Ismaili state of Alamut and the Imam of the Nizari Ismailis (1081–1124)

  • Fame62.9
  • Momentum17.4
  • Wikipedia79.1K
Source-basedRising
Lived 1037–1124, aged 87
PoliticiansPolitician
  • Wikipedia
    45 languages
    Cross-language footprint
  • Era
    1037–1124
    Aged 87
Summary
Updated 2026-08-31

The medieval Persian scholar who seized Alamut Castle and built the Nizari Ismaili state—and whose disciplined, shadowy order of followers gave the world the word "assassin."

Biography

About

Born around 1050, Hasan-i Sabbah studied mathematics, astronomy, and philosophy—reportedly alongside Omar Khayyam. In 1090 he took control of Alamut Castle in the mountains of Persia and established the Nizari Ismaili sect and its military arm, the Order of Assassins. From that fortress he ruled until his death on 12 June 1124, commanding a network that would haunt the imagination of the West for centuries. Marco Polo later immortalized him and his successors under a single epithet: the Old Man of the Mountain.

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By the numbers

Score breakdown

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Rising
62.9
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum17.4
Historical26.6
Now attention22.8
Source confidence60.0
Completeness60.0
Global rank
Country rank
Category rank
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Sources

  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence