The origins of the Ottoman Empire are to be found in a combination of Turkish asabiyah and the Islamic spirit of ghazza (meaning, struggle in the cause of God). Asabiyah, a term used by Ibn Khaldun to denote tribal cohesion, is the force that holds together tribes through bonds of blood, a characteristic found in abundance among peoples of the desert and the nomads of...

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...

The triumphant advance of Muslim armies across the inter-connecting landmass of Asia, Europe and Africa brought into the Islamic Empire large masses of people who were previously Christian, Zoroastrian, Buddhist or Hindu. Conversion to the new faith was slow. The conquering Muslims left the people of the territories alone as long as they paid the protective tax, jizya and did not interfere with...