Islam was introduced to the Mali Empire in the 11th century, but it wasn’t until the 14th century that it became the dominant religion. Many of the empire’s rulers, including Mansa Musa, were devout Muslims and helped to spread the religion throughout West Africa. Mansa Musa becomes king of the Mali Empire, ushering in a period of great prosperity and expansion. 1324: Mansa Musa embarks on a pilgrimage to Mecca, bringing with him a large entourage and vast amounts of gold. His pilgrimage earns him fame throughout the Islamic world and establishes Mali as a major center of trade and scholarship. 1337-1374: Reign of Mansa Suleyman, who continues the expansion of the Mali Empire and establishes Timbuktu as a center of Islamic scholarship and learning. The city of Timbuktu, which was located in the heart of the empire, became a major center of Islamic scholarship and learning, and was home to many universities and madrasas. Under the leadership of Sundiata Keita and his successors, the Mali Empire became one of the wealthiest and most powerful empires in Africa.