Like a benevolent mother opening her arms to all the children in the neighborhood, Africa held its arms open for successive waves of refugees from Arabia. In turn, the immigrants brought with them the light of Islam and shared it with the people of Africa. This was the quid pro quo between Africa and Arabia: Africa gave protection to the Arabs. In turn, the Arabs shared their faith...

The Murabitun revolution was one of the few genuine mass movements in Islamic history. Growing out of the womb of Africa, it engulfed two continents and played a decisive role in historical developments in Africa and Spain alike. As a mass movement, European as well as Muslim scholars have studied it extensively. Ibn Khaldun used it as a basis for his theory of the rise and fall of...

For a brief moment, towards the end of the 12th century, the Muslim world was politically united under one caliph ruling from Baghdad. This political unity, rare in Islamic history, projected itself on the military plane. In West Asia, the Crusaders were ejected from Palestine, Lebanon and Syria. Salahuddin recaptured Jerusalem in 1187. Four years later, in 1191, Muhammed Ghori of Ghazna...

Embracing an area more than half a million square miles, the kingdom of Mali was undoubtedly one of the richest and most prosperous on earth in the 14th century. Its territory touched the Atlantic Ocean to the west and extended as far as the bend in the Niger River to the east. From north to south, it embraced the entire swath of land south of the Sahara to the thick tropical forests of...