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...

Not since the Battle of Badr had the Islamic world stood face to face with extinction as it did at the Battle of Ayn Jalut. Just as the Prophet had triumphed at Badr 600 years earlier, the Mamlukes triumphed over the combined armies of the Mongols, the Crusaders and the Armenians at the Battle of Ayn Jalut. The Muslim world survived by a margin that was as small as any allowed by history to any...

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...