ts ▁was ▁the ▁Pers ian ▁Kh urr am ite ▁movement . ▁ ▁Abb as ids ▁and ▁Sel ju ks ▁After ▁the ▁revol t ▁of ▁Bab ak ▁K hor ram din , ▁who ▁was ▁a ▁Z oro ast rian ▁of ▁ne o - M az d ak ite ▁background , ▁the ▁Abb as id ▁cal i ph ate ' s ▁g rip ▁on ▁A zer ba ij an ▁weak ened , ▁allowing ▁native ▁dynast ies ▁to ▁rise ▁in ▁A zer ba ij an . ▁A zer ba ij an ▁was ▁taken ▁over ▁by ▁the ▁Kur d ish ▁D ais am ▁and ▁the ▁S all ar id ▁Mar z ub an , ▁the ▁latter ▁un ited ▁it ▁with ▁Ar ran , ▁Sh ir van , ▁and ▁most ▁of ▁Eastern ▁Armen ia . ▁After ▁confront ations ▁with ▁the ▁local ▁D ail am ite ▁and ▁Kur d ish ▁populations ▁who ▁had ▁already ▁established ▁their ▁own ▁dynast ies ▁and ▁em ir ates ▁in ▁different ▁parts ▁of ▁A zer ba ij an , ▁the ▁Sel ju ks ▁domin ated ▁the ▁region ▁in ▁the ▁ 1 1 th ▁and ▁early ▁ 1 2 th ▁centuries , ▁at ▁which ▁point ▁the ▁lingu istic ▁Turk ification ▁of ▁the ▁native ▁Iran ian ▁populations ▁began . ▁In ▁ 1 1 3 6 , ▁A zer ba ij an ▁fell ▁to ▁the ▁At ab ak an - e - A zer ba ij an ▁and ▁At ab ak an - e - Mar ag he h . ▁It ▁was ▁later ▁inv aded ▁by ▁the ▁Kh