After the French Republican army overran the Austrian Netherlands, a 40,000-man Allied army under Prince Josias of Saxe-Coburg-Saalfeld was assembled to reconquer the province. At the Battle of Neerwinden on 18 March 1793, Coburg with 30,000 infantry and 9,000 cavalry faced Charles François Dumouriez with 40,000 infantry and 4,500 cavalry. The French were beaten and withdrew behind the French border. At Neerwinden, Colloredo commanded the Second Rank of the Main Body, a force of 6 battalions and 10 squadrons. There were two battalions each of Infantry Regiments "Brechainville" Nr. 25 and "Callenberg" Nr. 54 and one battalion each of Infantry Regiments "Alton" Nr. 15 and "Joseph Colloredo" Nr. 57. The mounted troops consisted of 6 squadrons of "Zeschwitz" Cuirassier Regiment Nr. 10, and two squadrons each of "Karaczay" Chevau-léger Regiment Nr. 18 and "Coburg" Dragoon Regiment Nr. 37.