Battle of Wavre 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 three corps of the French army under the command of Marshal Grouchy. A blocking action, this battle kept 33,000 French soldiers from reaching the Battle of Waterloo and so helped in the defeat of Napoleon at Waterloo. Following defeat at the Battle of Ligny two days
Napoleonic Wars casualties the French Republic. Peninsular War: Invasion of Russia: The effect of the war on France over this time period was considerable. According to David Gates, the Napoleonic Wars cost France at least 916,000 men. This represents 38% of the conscription class of 1790–1795. This rate is over 14% higher than the losses suffered by the same generation one hundred years later fighting Imperial Germany. The French population suffered long-term effects through a low male-to-female population ratio. At the beginning of the Revolution, the numbers of males to females was virtually identical. By the end of the conflict only 0.857 males