Battle of Wavre troops to Wellington’s aid at Waterloo. Thus, for the Prussians, the battle was a strategic success, as it contributed to the decisive victory at Waterloo. The Prussian rearguard of 17,000 troops had tied down 33,000 French troops that could have otherwise taken part at Waterloo. Attribution: Battle of Wavre The Battle of Wavre was the final major military action of the Hundred Days campaign and the Napoleonic Wars. It was fought on 18–19 June 1815 between the Prussian rearguard, consisting of the Prussian III Corps under the command of General Johann von Thielmann (whose chief-of-staff was Carl von Clausewitz) and
Imperial and Royal Army during the Napoleonic Wars not part of the Holy Roman Empire, but under Habsburg rule. The key feature of the army of the Austrian Empire during the Revolutionary and Napoleonic Wars (1792-1815) was that, due to the multi-national nature of the territories, regiments were split into "German" units (which included Czech-troops recruited from Bohemia, Moravia and Silesia, Polish and Ukrainian units recruited from the territory of Galicia, Flemings and Walloons territory of the former Austrian Netherlands, and Italians) and "Hungarian" units (which included troops from Croatia and Transylvania). Conscription resulted in elements of untrained men in every battalion, a problem exacerbated by incoherent training