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.
Subsidiary structures of the Palace of Versailles (botanical gardens) in the area that is now the Hameau de la Reine. The Petit Trianon was intended to be used when the king was engaged in his botanical avocation. It would be, however, under Louis XVI and Marie Antoinette that the Petit Trianon would be immortalized. Shortly after his ascension to the throne, Louis XVI presented the Petit Trianon to Marie Antoinette. Immediately thereafter, the queen ordered modification—largely under the direction of Richard Mique—to the Petit Trianon and its gardens. The house was remodeled, which necessitated the removal of the dumbwaiter system that Louis XV installed that allowed the