His first battle was that of Kaiserslautern (28th-30th of November) against Prussians.
At the end of November the Prussians stood on the defensive at Kaiserslautern.
He fought in the army of the Rhine, and in an engagement against the Prussians at Kaiserslautern, was wounded and taken prisoner.
Kaiserslautern is one of the most important industrial towns in the palatinate.
Armed revolts, encouraged by the radical delegates, broke out in Frankfort, Kaiserslautern and throughout Saxony.
The barracks and railway station at Kaiserslautern, likewise in the Rhine Palatinate, were attacked with good results.
Pichegru attacked Kaiserslautern, but was repulsed with the loss of 2000 men and several cannon.