Caliph Al-Walid I ruled the Umayyad Caliphate from 705 to 715 CE. He is known for expanding the empire significantly, overseeing military campaigns that extended its borders into North Africa, Spain, and parts of Central Asia. His reign marked a period of prosperity and cultural development within the Islamic world. Under Al-Walid I, the capital was moved to Damascus, which became a center of administration and culture. He is also credited with commissioning impressive architectural projects, including the Great Mosque of Damascus and the Al-Aqsa Mosque in Jerusalem, which are significant landmarks in Islamic history.