Askia Mohammed is the most famous leader in the history of the Songhay Empire, which reached its apogee during his reign in 1493-1528. Songhay, approximately halfway between the present-day cities of Timbuktu in Mali and Niamey in Niger, became a political force beginning in 1463, under the leadership of Sonni Ali Ber. By the time of his death in 1492, the foundation had been laid for the development under Askia Mohammed of a complex system of administration,...