Answer
Abd al-Rahman I's rule in the Emirate of Córdoba spanned the years 750 to 788. He established the Umayyad dynasty in the region after the fall of the Umayyad caliphate in Damascus. During his reign, he centralized power, improved administration, promoted agriculture and trade, and patronized arts and sciences. His rule laid the foundation for the cultural and economic flourishing of the Emirate of Córdoba in the subsequent centuries.