 The Duke of Savoy and the Prince of Orange, with the help of the English and Burgundian authorities, planned to invade the Dauphiné, but at the battle of Anthon in 1430, the army of the Principality of Orange was defeated by the troops of the Dauphiné, preventing the invasion.Louis XI was the only Dauphin of France to administer his territory, from 1447 to 1456.It was during his reign as Dauphin that the Dauphiné became totally integrated into France.