Bernard-René Jourdan de Launay permanently stationed in Paris except in time of war. In 1776 de Launay succeeded M. de Jumilhac as Governor of the Bastille. As was the custom with many senior positions under the Ancien Régime, the marquis purchased the office of governor from his predecessor as a form of investment. The thirteen years that he spent in this position were uneventful, though on 19 December 1778 he reportedly made the mistake of failing to fire the cannon of the Bastille as a salute on the birth of a daughter (Madame Royale) to King Louis XVI. In August 1785 he was given
Pierre-Augustin Hulin assembled a company of seventy men armed with five cannons. Around 3 o'clock he led his men from Les Invalides to the Bastille. Two hours later artillery fire and pressure from the Bastille personnel persuaded its governor Marquis de Launay to capitulate. By this time the attacking mob lost around a hundred men, the defenders of the Bastille had only one man killed. Hulin and his deputy Jacob Elie defended De Launay from the mob and sent him under an armed escort to the Hôtel de Ville. According to Pitra, Hulin and Elie saved De Launay from lynching at least