Question: The leader of the Anglo-Portuguese Army that defeated French forces during the Battle of Buçacoalso  defeated Napoleon during what battle?
Sentence (from "Battle of Bussaco"): The Battle of Buçaco (] ) or Bussaco, fought on 27 September 1810 during the Peninsular War in the Portuguese mountain range of Serra do Buçaco, resulted in the defeat of French forces by Lord Wellington's Anglo-Portuguese Army.
Relevant evidence: Yes