For 40 years, from 719, Narbonne was part of the Emirate of Cordoba until conquered by the Franks in 759, after which it became part of the Carolingian Viscounty of Narbonne.
Narbonne was part of the Emirate of Cordoba until conquered by the Franks in 759. This was from 719. This was for 40 years. It became part of the Carolingian Viscounty of Narbonne after 759.