sentences:  In 1453, at the end of the Hundred Years' War, Charles VII authorized the construction of the Château de Montsoreau by Jean II de Chambes, then diplomat in Venice and Turkey and private adviser to the king.It was built on the site of the ancient fortress of Foulques Nerra, unusually, directly on the Loire river bank in the style of Venetian Renaissance.Its architecture is of transition between military and pleasure architecture and bears witness to the time when castles became châteaux.