That ruler, Sanjar, ruled Khorasan and was succeeded by the Khwarezm-Shah dynasty.
One ruler of this group was defeated by the Karakitai in 1141. That ruler, Sanjar, ruled Khorasan and was succeeded by the Khwarezm-Shah dynasty. One of this group's greatest leaders, Toghril, won the Battle of Dandaq and fought against the Fatimids on behalf of the Abbasids. The Sultanate of Rum was established after that man's successor, Alp-Arslan, captured Romanos IV Diogenes at this group's greatest victory. This Sunni Islamic tribe won the Battle of Manzikert over the Byzantines and captured Baghdad in 1055. For 10 points, name this tribe which established a pre-Ottoman Turkish empire.
One ruler of this group was defeated by the Karakitai in 1141.
Seljuk Turks [prompt on Turks]