The Turks forced their way onto the world stage with thunderous momentum. Their galactic advance is marked by three critical events that provide historic benchmarks: the hiring of a Turkish guard by the Abbasid Caliph al Mu’tasim (833); the disappearance of the Samanid State based in Bukhara (999); and finally, the Battle of Manzikert (August 1072). After Caliph al Mu’tasim, the...

The Fatimid conquest of Egypt (969) was a defining moment in Islamic history. It destroyed any semblance of central authority in the Muslim world, provoked the reaction of the Turks as defenders of orthodox (Sunni) Islam, impelled the Omayyads in Spain to declare their own Caliphate, launched the powerful Murabitun revolution in western Africa, denied the Muslims their last chance to conquer...