History of the Palace of Versailles czar Peter the Great stayed at the Grand Trianon. His time at Versailles was used to observe and study the palace and gardens, which he later used as a source of inspiration when he built Peterhof on the Bay of Finland, west of Saint Petersburg. During the reign of Louis XV, Versailles underwent transformation but not on the scale that had been seen during his predecessor's reign. When Louis XV and the court returned to Versailles in 1722, the first project was the completion of the Salon d'Hercule, which had been begun during the last years of Louis XIV's reign
Palace of Versailles were moved temporarily from Versailles to Paris under the regency of Philippe II, Duke of Orléans. In 1722, when the King came of age, he moved his residence and the government back to Versailles, where it remained until the French Revolution in 1789. Louis XV remained faithful to the original plan of his great-grandfather, and made few changes to the exteriors of Versailles. His main contributions were the construction of the Salon of Hercules, which connected the main building of the Palace with the north wing and the chapel (1724–36); and the royal opera theater, designed by Ange-Jacques Gabriel, and