Waterloo, Belgium Waterloo, Belgium Waterloo (, , ) is a Walloon municipality in the province of Walloon Brabant, Belgium, which in 2011 had a population of 29,706 and an area of . It is north of Braine-l'Alleud, which is the site of the Battle of Waterloo, where the resurgent Napoleon was defeated for the final time in 1815. Waterloo is a Francophone town. The placename has Brabantian Dutch origins. The first element is most likely "water", but it should be understood locally as "wet". The second element is "lo(o)", an ancient word for "forest" or "clearing in a forest", coming either from
Battle of Waterloo the south of "La Belle Alliance". At 10:00, in response to a dispatch he had received from Grouchy six hours earlier, he sent a reply telling Grouchy to "head for Wavre [to Grouchy's north] in order to draw near to us [to the west of Grouchy]" and then "push before him" the Prussians to arrive at Waterloo "as soon as possible". At 11:00, Napoleon drafted his general order: Reille's Corps on the left and d'Erlon's Corps to the right were to attack the village of Mont-Saint-Jean and keep abreast of one another. This order assumed Wellington's battle-line was in the