He established himself as a private tutor in Paris, and presently set up a school for the army at Versailles, which was attended by commoners as well as nobles.
Founded the famous "Menagerie du Parc" at Versailles, which received many animals from Cairo, was maintained for over a century, and furnished much valuable material to French naturalists and anatomists.
Other important training institutions are the staff college (cole suprieure de Guerre) which trains annually 70 to 90 selected captains and lieutenants; the musketry school of Chlons, the gymnastic school at Joinville-le-Pont and the schools of St Maixent, Saumur and Versailles for the preparation.
A Bourbon at Versailles, a Habsburg at Vienna, or a thick-lipped Lorrainer, with a stroke of his pen, wrote off province against province, regarding not the populations who had bled for him or thrown themselves upon his mercy.
He was born at Versailles on the 19th of December 1683.