The historic Umayyad Mosque (Jamia Masjid of Damascus) was built during the reign of which ruler?

The Umayyad Mosque, also known as the Great Mosque of Damascus, was constructed during the reign of Caliph Walid I (705–715 CE). It is one of the oldest and most significant mosques in the world, admired for its grand architecture and historical importance in Islamic civilization. Built on the site of a former Christian basilica, the mosque reflects the cultural and religious transformation of Damascus under the Umayyads. This question is a key part of General Knowledge MCQs, especially in Islamic history, as it highlights one of the finest achievements of early Islamic architecture.