Waterloo Campaign: Quatre Bras to Waterloo Waterloo Campaign: Quatre Bras to Waterloo After the fighting at Quatre Bras (16 June 1815) the two opposing commanders Marshal Ney and the Duke of Wellington initially held their ground while they obtained information about what had happened at the larger Battle of Ligny. They received intelligence that the Prussian army under the command of Prince Blücher had been defeated by the French Army of the North under the command of Napoleon Bonaparte. Upon receiving this news Wellington organised the retreat of the Anglo-allied army to a place he had identified a year before as the best place in Belgium
Waterloo Campaign: Ligny through Wavre to Waterloo Wavre (nor'-nor'-west) was about with some larger minor road leading there. After considering his options, Grouchy decided to advance to Wavre and engage whatever Prussians he found there, and so aid Napoleon by preventing those Prussians from moving towards Waterloo. Grouchy arrived at Wavre at around 16:00 and immediately engaged the Prussian III Corps (Thielemann's), which was acting as the rearguard of the Prussian army and which had been about to leave for Waterloo) in what became the Battle of Wavre. The Prussian advance to the Waterloo battlefield was impeded by the swollen streams, which had turned their valleys into