Following the Hijra in AD 622 (also sometimes spelled Hegira), the Arabian horse spread across the known world of the time, and became recognized as a distinct, named breed. It played a significant role in the History of the Middle East and of Islam. By 630, Muslim influence expanded across the Middle East and North Africa, by 711 Muslim warriors had reached Spain, and they controlled most of the Iberian Peninsula by 720. Their war horses were of various oriental types, including both Arabians and the Barb horse of North Africa.