 Complete the following phrase:  He joined the military as a lieutet of the grenadier battalion of the Charente volunteers on 1 December 1791. During the years 17921793, he served in the armies of the North and Sambre and Meuse. Promoted to lieutet on 1 April 1793, and to captain on 12 February. At the Arlon, he led a vigorous charge against an Austrian cavalry regiment, taking two guns and forced the Austrians into a complete rout. After 5 January 1798, he resumed his duties in the infantry in the same regiment on 20 April 1799 in the 