He wasn't a king of Iran as in whole territories of Persian Empire. Yet, he played a role as a opposition to Saljuq dynasty. Against the Malek-Shah e Saljuqs.
Saljuqs, specially the Malek-Shah was a highly religious and conservative ruler from Turkic roots. Their origin goes to Turkic Slaves who turned to Islam.
They all have roots in Mongols from central Asia.
One of the notable notoriety of their backwardness was killing and burning 200 Persian scientist with their books along with. Claiming against words of God, Allah of Islam.
Hassan Sabbah, was moderate muslim who was highly nationalist and even there are doubt he was even a muslim. He rarely prayed and always used Islam as an political justification.
He was highly against Arabs and Turks and their influence in Iran/Persia. At some points, there are parts of literature shows he abhorred Turks and Arabs for suppressing Persians historically.
He was during the father of Persia, the esteemed Ferdowsi. Medieval ages.
He is one the famous tripartite classmates. the three genous. Khayyam, Khaje Nasir-e-Tousi and Hassan Sabbah.
They has famous fortresses, most famous one Alamout. Which is named after a famous Deylaman King, from Gilan territories of my fatherland Persia!
Another was in Damghan.
Hopefully, now you know her was never a king of Persia.
[Edited by Realusionist, 5/19/2012 8:43:24 AM]