Legacy and death Construction works thumb|The hypostyle hall, with its distinctive two-tiered arches, inside the Great Mosque of Córdoba, begun by Abd al Rahman I in 785–786. Abd al-Rahman did much work to improve al-Andalus' infrastructure. He also built the world-famous Great Mosque of Córdoba (the present-day cathedral of Córdoba), which took place from 785 to 786 (169 AH) to 786–787 (170 AH). It was expanded multiple times by his successors up to the 10th century.
Legacy and death Construction works thumb|The hypostyle hall with its distinctive two-tiered arches inside the Great Mosque of Córdoba begun by Abd al Rahman I in 785–786 Abd al-Rahman did much work to improve al-Andalus' infrastructure He also built the world-famous Great Mosque of Córdoba (the present-day cathedral of Córdoba) which took place from 785 to 786 (169 AH) to 786–787 (170 AH) It was expanded multiple times by his successors up to the 10th century