The first stone in the foundation of the bridge was laid on May 31.1578, King Henry III himself, his mother Catherine Medici and wife Queen Louise, and he was completed under King Henry IV. The Pon-NEF Bridge has become a truly grandiose structure for its time. It was a real breakthrough in the architecture of the Middle Ages, since for the first time a bridge appeared in Paris, not built on the sides of houses and other buildings and was intended purely for a message between the two banks of the Seine.→