Ḥamdān Qarmaṭ

…centuries, taking their name from Ḥamdān Qarmaṭ, who led the sect in southern Iraq in the second half of the 9th century. The Qarmatians became notorious for an insurrection in Syria and Iraq in 903–906 and for the exploits of two Bahraini leaders, Abū Saʿīd al-Jannābī and his son and…