Waterloo Campaign: Ligny through Wavre to Waterloo Waterloo Campaign: Ligny through Wavre to Waterloo After their defeat at the Battle of Ligny (16 June 1815) the Prussians successfully disengaged and withdrew to north to Wavre where they reorganised and then three corps advanced westward to attack the right flank of the French army at the Battle of Waterloo. The French were desultory in the aftermath of Ligny. Napoleon wasted the morning of 17 June by taking a late breakfast and going to see the previous day's battlefield before organising a pursuit of the two Coalition armies. He took the reserves and marched with Marshal Ney in pursuit
Battle of Waterloo sword against his back" towards Wavre, and was by then too far away to reach Waterloo. Grouchy was advised by his subordinate, Gérard, to "march to the sound of the guns", but stuck to his orders and engaged the Prussian III Corps rear guard under the command of Lieutenant-General Baron Johann von Thielmann at the Battle of Wavre. Moreover, Soult's letter ordering Grouchy to move quickly to join Napoleon and attack Bülow would not actually reach Grouchy until after 20:00. A little after 13:00, I Corps' attack began in large columns. Bernard Cornwell writes "[column] suggests an elongated formation with