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 Research Centre and international. It gives unity to the various works that it leads or initiates, supports new research and assures its dissemination. The missions of the centre are: The Research Centre publishes the "Bulletin du Centre de recherche du château de Versailles". Palace of Versailles Research Centre The Palace of Versailles Research Centre (in French: "Centre de recherche du château de Versailles" - CRCV) is the first research centre established in a French palace. It originated as part of a French government project called "Digital Great Versailles" (in French, "Grand Versailles Numérique") to improve public access to the Palace of Versailles.