Claude Joseph Rouget de Lisle Claude Joseph Rouget de Lisle Claude Joseph Rouget de Lisle (), sometimes spelled de l'Isle or de Lile (10 May 1760 – 26 June 1836), was a French army officer of the French Revolutionary Wars. He is known for writing the words and music of the "Chant de guerre pour l'armée du Rhin" in 1792, which would later be known as "La Marseillaise" and become the French national anthem. Rouget de Lisle was born at Lons-le-Saunier, reputedly on a market day. His parents lived in the neighbouring village of Montaigu. A plaque was placed at the precise spot of his
De Lisle carbine by de Lisle, was much more successful. Tests of this showed the weapon had acceptable accuracy, produced no visible muzzle flash and was inaudible at a distance of . Subsequent official firing tests recorded the De Lisle produced 85.5 dB of noise when fired. As a comparison, modern testing on a selection of handguns has shown that they produce 156 to 168 dB when firing without a suppressor, and 117 to 140 dB when firing with one fitted. The de Lisle's quietness was found to be comparable to the British Welrod pistol. However, the Welrod was useful only at very