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
United Kingdom in the Napoleonic Wars which lost a useful trading partner. Angry governments gained an incentive to ignore the Continental System, which led to the weakening of Napoleon's coalition. The British army remained a minimal threat to France; the British standing army of just 220,000 at the height of the Napoleonic Wars hardly compared to France's army of a million men—in addition to the armies of numerous allies and several hundred thousand national guardsmen that Napoleon could draft into the military if necessary. Although the Royal Navy effectively disrupted France's extra-continental trade—both by seizing and threatening French shipping and by seizing French colonial possessions—it could