Published online by Cambridge University Press: 31 October 2002
The extraordinary ascendancy of the Saffarid dynastybegan with the meteoric career of its founder,Yaʿqūb b. al-Layth al-Saffār. Yaʿqūb appeared on thehistorical scene in 238/852 as the member of anEastern Iranian military band, and ended his days asthe ruler over a vast swathe of territory stretchingfrom today's ʿIraq to the borders of today's India;while at least theoretical acknowledgement of hisoverlordship was found both in Central Asia and theholy cities of Arabia.