200 we find there the city Istakhr (properly Stakhr) as the seat of the local governors.
There the foundations of the second great Persian Empire were laid, and Istakhr acquired special importance as the centre of priestly wisdom and orthodoxy.
The Romans knew as little about Istakhr as the Greeks had done about Persepolis - and this in spite of the fact that for four hundred years the Sassanians maintained relations, friendly or hostile, with the empire.
At the time of the Arabian conquest Istakhr offered a desperate resistance, but the city was still a place of considerable importance in the 1st century of Islam (see Caeiphate), although its greatness was speedily eclipsed by the new metropolis Shiraz.
In the 10th century Istakhr had become an utterly insignificant place, as may be seen from the descriptions of Istakhr, a native (c. 950), and of Mukaddasi (c. 985).
During the following centuries Istakhr gradually declines, until, as a city, it ceased to exist.
The " castle of Istakhr " played a conspicuous part several times during the Mahommedan period as a strong fortress.
The new capital of Persis was Istakhr on the Pulwar, about q m.
The most important event in the protracted war which led to the conquest of Iran, was the battle of Nehawend in 641; 2 the most obstinate resistance was offered by Persis proper, and especially by the capital, Istakhr (Persepolis).
After Ali's death he fortified himself in his castle near Istakhr and refused to submit.
His father Papak had taken possession of the district of Istakhr, which had replaced the old Persepolis, long a mass of ruins.
The subsequent statement that his son, Sultan Ali, was seized, in company with two younger brothers, by Yaqub, one of the descendants of their grandfather Uzun }.iasan, who, jealous of the numerous disciples that resorted to Ardebil, confined them to the hill fort of Istakhr in Fars, seems to indicate a second interpretation of the passage just extracted from Purchas, and that there is confusion of persons and incident somewhere.