200 years on from the Battle of Waterloo
Wellington rose at 02:00 June 18th, and wrote letters until dawn. Wellinton earlier written to Blücher confirming that he would do battle at Mont-Saint-Jean on the understanding that Blücher could provide at least one corps; or the coalition army would retreat towards Brussels.
Battle of Waterloo Sunday, 18 June 1815, a small village just outside a small town called Waterloo, which is now in present-day Belgium, in the 1800 is was part of United Kingdom of the Netherlands. Napoleon French army was defeated by a Coalition of Seven army's , command by the Duke of Wellington, combined with a Prussian army under the command of Prince Blücher.
Two days before the battle, Prussian army had been defeated by the French at Ligny.
Wellington decided to do battle when learning that Prince Blücher Prussian army had regrouped and was able to march to his support.
Wellington's army, held a defence positioned at the crossroads Mont-Saint-Jean, and withstood repeated attacks from Napoleon's French army, early with the arrival of the Prussians army broke through Napoleon's right flank. At that time, Wellington's army counter-attacked and drove the French back in disorder. Pursuing coalition forces entered France and restored King Louis XVIII to the throne.
Images below are from then Battle of the Proms picnic concert Burghley house marking 200 years since the Battle of Waterloo.