 Complete the following phrase:  On 28 January 1794 Bonnaud was promoted to general of brigade. In the foggy early morning hours of 19 April, he led three mounted regiments against the village of Abscon, wiping out a 70-man Coalition cavalry outpost. As Bonnaud withdrew his 2,400 troopers from their successful raid, they were counterattacked by 630 cavalry under Ludwig von Wurmb. In the inconclusive melee that followed, both sides suffered numerous casualties. On 23 April, 15,000 infantry and 4,500 cavalry from Cambrai and Bouchain moved in four columns to attack Wurmbs force which covered the 