or a Shi'a". Al-Qadir thus laid the ideological foundations for what has been termed the "Sunni Revival" of the 11th century, which culminated with the destruction of the Buyids by the Seljuk Turks, a new steppe power who saw themselves as champions of Sunnism and of the Abbasid caliph. References Sources 947 births 1031 deaths 10th-century Arabs 10th-century Abbasid caliphs 11th-century Arabs 11th-century Abbasid caliphs 10th century in Iraq 11th century in Iraq Anti-Shi'ism People under the Buyid dynasty Sunni Islam