 Following incursions of Saracens and the razing of the old town of Glandèves, which became a bishopric no later than the sixth century, the more defensible site of medieval Entrevaux was founded in the 11th century on the rocky spur in an angle of the river; the oldest recorded name is "Interrivos" and dates from 1040.Between 1481 and 1487, Provence became a part of France.In 1536, Entrevaux fell to the troops of Charles V, Holy Roman Emperor, betrayed by its lord Jacques Glandeves; half the population was massacred (coll.