Umayyad dynasty
The Umayyad dynasty () or Umayyads () was an Arab clan within the Quraysh tribe who were the ruling family of the Umayyad Caliphate between 661 and 750 and later of Al-Andalus between 756 and 1031. The Islamic Empire reached its largest geographical extent under the Umayyads. Further, Al-Andalus became a centre of science, medicine, philosophy and invention during the Islamic Golden Age.