Detailed architectural feature from the Mosque-Cathedral of Córdoba. the Great Mosque of Córdoba is regarded as one of the most accomplished monuments of Moorish architecture. The site was originally a small temple of Christian Visigoth origin, the Catholic Basilica of Saint Vincent of Lérins. When Muslims conquered Spain in 711, the church was first divided into Muslim and Christian halves. This sharing arrangement of the site lasted until 784, when the Christian half was purchased by the Emir