In Maritime Contacts of the Past: Deciphering Connections Amongst Communities, ed. by Sila Tripati, 37–53. New Delhi: Delta Book World, 2014.
The study of Eurasia in the seventh century is dominated by the history of the origins of the Muslim caliphate and the Tang Dynasty. The first Tang emperor, Gaozu, ascended the throne in 618 AD, and the hegira took place in 622 AD, year one of the Muslim calendar. That these two developments should be so central is understandable. Within little more than a hundred years of its establishment, Islam was the dominant religion across an arc of Asia and Africa from Portugal to Kazakhstan, where it butted up against the armies of the Tang Dynasty, which had simultaneously pushed China’s borders west across two thousand miles of desert and steppe.More