Period draft
The Buyid, Fatimid and Seljuk Era
Date: 0945
The centuries when the Abbasid caliph was a symbolic centre while Buyids, Fatimids, Seljuks and others held power, and when Ibn Sina, al-Biruni and al-Ghazali worked.
Sources: source/hodgson-1974, source/hourani-1991