Château de Pompignan the Gallo-Roman era, whose villa was sited on the edge of the hillside about a kilometer south of the present chateau. There is evidence to suggest that a ninth-century feudal manor house existed on or close to the present chateau site. The modern village grew up at the foot of the chateau in the time of the Lefrancs, and its layout and facilities were shaped by the needs and gifts of the owners. The chateau was built on the foundations of the existing manor house in the emerging neo-classical style, similar in some respects to the Petit Trianon at Versailles
Subsidiary structures of the Palace of Versailles lavish banquets. Accordingly, Trianon-sous-bois was remodeled to provide modern living accommodations and the basement was completely renovated to accommodate modern professional kitchens. The Grand Trianon has been designated an official residence of the French president and often serves as a residence for visiting heads of state. It was during the presidency of Jacques Chirac that Trianon-sous-bois was opened to limited public tours. Located near the Grand Trianon, the Petit Trianon was built between 1762 and 1768 by Jacques-Anges Gabriel for Louis XV. The area that is now the Petit Trianon came to prominence when Louis XV established his "jardins botaniques"