The regimental depot of the 101st Infantry was the Caserne de Billy in Dreux (Eure-et-Loir). Since it was quite close to Paris, Dreux had always been a garrison town. In 1736, a new barracks was built in the then rue d'Orisson (now the rue d'Orfeuil) to house the men of the brigade de corps du roi. The building remained in use throughout the Napoleonic wars, but by the 1840s it had become cramped and was in need of repair. It was decided to construct a new barracks, on the plateau to the north of the town, and construction began in October 1845. The barracks was named after a local man, General Jean Louis de Billy (1763-1806). When the Revolution broke out, he was an artillery instructor at a military academy in Paris. He joined the National Guard, and subsequently served with the Armée des Côtes de l'Océan and the Armée du Rhin, and was wounded at Zürich (2 June 1799). He was subsequently promoted to brigadier and commanded a brigade in Oudinot's Div...
Local and military history