From the back of the game box:
TIME: June 18th, 1815
PLACE: Waterloo, Belgium
The Allied armies, under the command of England's Duke of Wellington and Prussia's Field Marshal Blücher, could not stop Napoleon two days before at the twin battles of Ligny and Quatre Bras. The Duke has decided to make one last stand against Napoleon at the hamlet of Waterloo.
Can you turn Napoleon's ultimate defeat into glorious victory? Will the Prussians arrive in time - or perhaps not at all? What if Grouchy arrives to reinforce Napoleon?
Now the award-winning 'Battleground' series brings history's greatest battle to life like never before! BATTLEGROUND 3: WATERLOO puts YOU in command of Napoleon's "Grande Armee", where command decisions will decide the fate of Europe!