Short answers, pulled from the story.
Waterloo, Belgium is most famous for being the site of the Battle of Waterloo on the 18th of June 1815, where Napoleon Bonaparte was defeated by the forces of the Seventh Coalition under the Duke of Wellington and Field Marshal von Blucher. The town also hosts the Lion's Mound monument, the Wellington Museum, and the European headquarters of Mastercard.
Waterloo is a municipality in Wallonia, in the province of Walloon Brabant, Belgium. It lies a short distance south of Brussels, immediately south of the official language border between Flanders and Wallonia.
The Lion's Mound is a monument built on the spot where a musket ball struck William II of the Netherlands in the shoulder during the 1815 Battle of Waterloo. A lion statue stands on a stone pedestal at the top, facing France. Visitors can climb 226 steps to reach a panoramic view of the battlefield.
From 1961, the Chateau Bellevue in Waterloo served as the official residence of King Leopold III of Belgium and his wife Princess Lilian, until her death in 2003. The Belgian government then sold the chateau in September 2004.
Waterloo hosts several international educational establishments on the Argenteuil estate, including the Scandinavian School of Brussels (Queen Astrid School), the European School of Bruxelles-Argenteuil, the Norwegian school Den norske skolen i Brussel, and the Queen Elisabeth Music Chapel. St. John's International School is also located in the commune.
The name Waterloo was first mentioned in writing in 1102, designating a small hamlet at the edge of the Sonian Forest along a road linking Brussels, Genappe, and a coal mine to the south. It derives from Old Dutch, with possible meanings including flooded clearing or clearing belonging to a person named Watheri.