With the acquisition of Aquitaine by Henry II Plantagenet , later King of England , Dax remained under the English rule until 1451 , when it was conquered by the French troops before the end of the Hundred Years ' War .
when Henry II Plantagenet , later King of England , got the Aquitaine . Dax remained under the English rule until 1451 , when it was conquered by the French troops before the end of the Hundred Years ' War .