Original: For large parts of its history, particularly under the Caliphate of Córdoba, Andalus was a beacon of learning, and the city of Córdoba became one of the leading cultural and economic centres in both the Mediterranean basin and the Islamic world.
Simplified: For large parts of its history, particularly under the Caliphate of Córdoba, Andalus was famous for learning and the city of Córdoba became one of the leading cultural and economic centers in both the Mediterranean basin and the Islamic world.