Palace of Versailles Queen, Marie Leszczyńska, used this salon as a music room, organizing concerts of secular and religious music each Sunday. The Chapel was the last building at Versailles to be completed during the reign of Louis XIV. It was consecrated in 1710, and was dedicated to Louis IX of France, the ancestor and patron saint of the King. Construction was begun by Hardouin-Mansart in 1699, and was completed by de Corte. Daily services, wedding ceremonies, and baptisms were held in this chapel until 1789. Like other royal chapels, it had two levels: the King and family worshipped in the Royal Gallery
History of the Palace of Versailles but was never finished due to the king's death. Significant among Louis XV's contributions to Versailles were the "petit appartement du roi"; the "appartements de Mesdames", the "appartement du dauphin", the "appartement de la dauphine" on the ground floor; and the two private apartments of Louis XV – "petit appartement du roi au deuxième étage" (later transformed into the "appartement de Madame du Barry") and the "petit appartement du roi au troisième étage" – on the second and third floors of the palace. The crowning achievements of Louis XV's reign were the construction of the Opéra and the Petit Trianon.