By the sixth century, three states had emerged as the political and cultural heirs of the Meroitic kingdom. Nobatia in the north, also known as Ballanah, had its capital at Faras, in what is now Egypt the central kingdom, Muqurra, was centered at Dunqulah, the old city on the Nile about 150 kilometers soutÍÍÍÍh of modern Dunqulah and Alwa, in the heartland of old Meroe in the south, had its capital at Sawba. In all three kingdoms, warrior aristocracies ruled Meroitic populations from royal courts where functionaries bore Greek titles in emulation of the Byzantine court.

The earliest references to Nubia's successor kingdoms are contained in accounts by Greek and Coptic authors of the conversion of Nubian kings to Christianity in the sixth century. According to tradition, a missionary sent by Byzantine empress Theodora arrived in Nobatia and started preaching the gospel about 540. It is possible that the conversion process began earlier, however, under the aegis of Coptic missionaries from Egypt, who in the previous century had brought Christianity to the Abyssinians. The Nubian kings accepted the Monophysite Christianity practiced in Egypt and acknowledged the spiritual authority of the Coptic patriarch of Alexandria over the Nubian church. A hierarchy of bishops named by the Coptic patriarch and consecrated in Egypt directed the church's activities and wielded considerable secular power. The church sanctioned a sacerdotal kingship, confirming the royal line's legitimacy. In turn the monarch protected the church's interests. The queen mother's role in the succession process paralleled that of Meroe's matriarchal tradition. Because women transmitted the right to succession, a renowned warrior not of royal birth might be nominated to become king through marriage to a woman in line of succession.

The emergence of Christianity reopened channels to Mediterranean civilization and renewed Nubia's cultural and ideological ties to Egypt. The church encouraged literacy in Nubia through its Egyptian-trained clergy and in its monastic and cathedral schools. The use of Greek in liturgy eventually gave way to the Nubian language, which was written using an indigenous alphabet that combined elements of the old Meroitic and Coptic scripts. Coptic, however, often appeared in ecclesiastical and secular circles. Additionally, early inscriptions have indicated a continuing knowledge of colloquial Greek in Nubia as late as the twelfth century. After the seventh century, Arabic gained importance in the Nubian kingdoms, especially as a medium for commerce.

The Christian Nubian kingdoms, which survived for many centuries, achieved their peak of prosperity and military power in the ninth and tenth centuries. However, Muslim Arab invaders, who in 640 had conquered Egypt, posed a threat to the Christian Nubian kingdoms. Most historians believe that Arab pressure forced Nobatia and Muqurra to merge into the kingdom of Dunqulah sometime before 700. Although the Arabs soon abandoned attempts to reduce Nubia by force, Muslim domination of Egypt often made it difficult to communicate with the Coptic patria 1a7rch or t to obtain Egyptian-trained clergy. As a result,ÍÍÍÍ the Nubian church became isolated from the rest of the Christian world.

Data as of June 1991