 Complete the following phrase:  At the outbreak of the French Revolution in 1789, Gazan returned to Grasse and joined the National Guard. In 1790, he became a captain and, in 1791, a lieutet colonel of the local volunteer battalion of the Var. In 1792, with the declaration of war with Austria, he was sent to the 27th Regiment. His regiment first served garrison duty in Strasbourg, but in December 1793, participated in the 