Ange-Jacques Gabriel end of the expensive Seven Years' War Louis XV approved the plans, and between 1763 and 1768 the small chateau was constructed. The building was cubic, and each facade was different; each was decorated with pilasters, columns and pediments in perfect proportion and harmony. The facades of the Petit Trianon represented in its most pure form the emerging style of Neoclassicism in France. Much of his attention was devoted to modifications of the Palace of Versailles desired by Louis XV. The palace lacked a proper opera theater; a theater had been commanded under Louis XIV in 1682 for the end
History of the Palace of Versailles Under the aegis of , chief conservator of the museum from 1952 to 1980, the palace witnessed some of its most ambitious conservation and restoration projects: the Opéra (completed in 1957); the Grand Trianon (1965); the Chambre de la Reine (1975); the Chambre de Louis XIV and the Hall of Mirrors (1980). At this time, the ground floor of the northern wing was converted into a gallery of French history from the 17th century to the 19th century. Additionally, at this time, policy was established in which the French government would aggressively seek to acquire as much of original furniture