For 10 points, name this 1815 battle in modern-day Belgium where the Duke of Wellington defeat Napoleon, ending his Hundred Days.
The bloody battle of Ligny preceded this battle and kept one side from joining this battle until late afternoon. Early on, the losing side in this battle became bogged down trying to take the heavily fortified chateau Hougomont. Later in this battle, Bernhardt of Saxe-Weimar re-took Papelotte for the victors, and (*) Michel Ney was ordered to capture La Haye Saint for the eventual losers. A cavalry charge into Allied squares was unsuccessful and the Imperial Guard retreated shortly after the arrival of the Prussians under Gebhard von Blucher.  For 10 points, name this 1815 battle in modern-day Belgium where the Duke of Wellington defeat Napoleon, ending his Hundred Days.
The bloody battle of Ligny preceded this battle and kept one side from joining this battle until late afternoon.
Battle of {Waterloo}