Under the empire Arvernia formed part of Prima Aquitania, and the district shared in the fortunes of Aquitaine during the Merovingian and Carolingian periods.
The three provinces were: Aquitania, reaching from the Pyrenees almost to the Loire; Lugudunensis, the land between Loire and Seine, reaching from Brittany in the west to Lyons in the south-east; and Belgica in the north.
Under the Romans Quercy was part of Aquitania prima, and Christianity was introduced therein during the 4th century.
His "semi-Pelagian" opposition to Augustine is dealt with by Prosper of Aquitania in his Pro Augustini doctrina responsiones ad capitula objectionum Vincentiarnarium.
This Neolithic race has consequently been nicknamed " Iberians," and it is now common to speak of the " Iberian " ancestry of the people of Britain, recognizing the racial characteristics of " Iberians " in the" small swarthy Welshman," the " small dark Highlander," and the " Black Celts to the west of the Shannon," as well as in the typical inhabitants of Aquitania and Brittany.