Evidence
Each row links back to the complete public-domain source text and the structured extraction record.
| Tradition | Source | Passage | Confidence | Evidence | Record |
|---|---|---|---|---|---|
| Sufi | The Sufistic Quatrains of Omar Khayyam | OF THE / QUATRAINS OF OMAR KHAYYAM / OMAR KHAYYAM / ASTRONOMER-POET OF PERSIA; lines 611-714 | medium | In A.D. 1090 Hasan seizes the castle of Alamut in a mountainous tract south of the Caspian Sea and gains renown among Crusaders as the Old Man of the Mountains. | record |