Question: The leader of the Anglo-Portuguese Army that defeated French forces during the Battle of Buçacoalso  defeated Napoleon during what battle?

Context paragraphs:
Arthur Wellesley, 1st Duke of Wellington: Field Marshal Arthur Wellesley, 1st Duke of Wellington, {'1': ", '2': ", '3': ", '4': "} (1 May 1769 – 14 September 1852) was an Anglo-Irish soldier and statesman who was one of the leading military and political figures of 19th-century Britain.  His defeat of Napoleon at the Battle of Waterloo in 1815 put him in the first rank of Britain's military heroes.

Battle of Sabugal: The Battle of Sabugal was an engagement of the Peninsular War which took place on 3 April 1811 between Anglo-Portuguese forces under Arthur Wellesley (later the Duke of Wellington) and French troops under the command of Marshal André Masséna.  It was the last of many skirmishes between Masséna's retreating French forces and those of the Anglo-Portuguese under Wellington, who were pursuing him after the failed 1810 French invasion of Portugal.

Orthez 1814 Order of Battle: The Battle of Orthez (27 February 1814) saw the Anglo-Portuguese Army commanded by Field Marshal Arthur Wellesley, Marquess of Wellington attack a Imperial French army under Marshal Nicolas Jean de Dieu Soult.  Soult's army was posted on a ridge to the north of the town of Orthez in southern France and in the town itself.  For over two hours the outnumbered French repulsed repeated Allied assaults on their right flank, forcing Wellington to order a general assault.  After a struggle, the Allies overcame the French defenses and Soult was compelled to order a retreat.  At first, the French divisions withdrew in good order, but as they approached the bridge over the Luy de Béarn at Sault-de-Navailles, many soldiers began to panic.  The next day Soult decided that his army was too demoralized to resist more attacks and continued his retreat.  Allied casualties were about 2,200 while the French lost about 4,000 killed, wounded and captured.  The battle was fought near end of the Peninsular War.

Siege of Ancona: Siege of Ancona was a battle in the Neapolitan War.  It took place beginning on May 5, 1815 and persisted until May 30, 1815.  The battle took place mere days after the Battle of Tolentino on May 3, 1815.  The siege of Ancona was one of the last battles in Italy during the Neapolitan War.  The city of Ancona was the last major Italian city to surrender.  It was fought between Napoleon’s forces in Ancona, Italy and the Anglo-Austrian alliance during the One Hundred Days’ campaign.  The Anglo-Austrian alliance eventually defeated Napoleon’s forces, thus helping expel the French from Eastern Italy.  It also contributed to the elimination of the Buonaparte monarchy proposed by Murat and led to the establishment of the Papal state.

Second Battle of Porto: The Second Battle of Porto, also known as the Battle of the Douro, was a battle in which General Arthur Wellesley's Anglo-Portuguese Army defeated Marshal Nicolas Soult's French troops on 12 May 1809 and took back the city of Porto.  After taking command of the British troops in Portugal on 22 April, Wellesley (later named 1st Duke of Wellington) immediately advanced on Porto and made a surprise crossing of the Douro River, approaching Porto where its defences were weak.  Soult's late attempts to muster a defence were in vain.  The French quickly abandoned the city in a disorderly retreat.

Battle of Salamanca: In Battle of Salamanca (in French and Spanish known as "Battle of Arapiles") an Anglo-Portuguese army under the Duke of Wellington defeated Marshal Auguste Marmont's French forces among the hills around Arapiles, south of Salamanca, Spain on 22July 1812 during the Peninsular War.  A Spanish division was also present but took no part in the battle.

Castiglione 1796 Campaign Order of Battle: In the Battle of Castiglione on 5 August 1796, the French Army of Italy under the command of General Napoleon Bonaparte defeated an Austrian army led by Field Marshal Dagobert Sigmund von Wurmser.  Castiglione and the Battle of Lonato were the major actions in a campaign which marked the first attempted relief of the Siege of Mantua.  While Wurmser advanced east of Lake Garda with three columns, Peter Quasdanovich moved his column into the area west of Lake Garda.  The Austrians pushed back the French forces and forced Bonaparte to raise the siege.  However, the French commander massed against Quasdanovich and forced him to retreat after a week of see-saw fighting.  After disposing of Quasdanovich, Bonaparte turned on Wurmser and defeated the main army also.  In the sequel, the French pushed the Mantua garrison back and blockaded the city.

Battle of Roliça: In the Battle of Roliça (17 August 1808) an Anglo-Portuguese army under Sir Arthur Wellesley defeated an outnumbered French army under General Henri Delaborde, near the village of Roliça in Portugal.  The French retired in good order.  Formerly spelled "Roleia" in English, it was the first battle fought by the British army during the Peninsular War.

Battle of Macta: The Battle of Macta was fought on 28 June 1835 between French forces under General Camille Alphonse Trézel and a coalition of Algerian Berber tribal warriors under Emir Abd al-Qadir during the French conquest of Algeria.  The French column, which had fought an inconclusive but somewhat bloody battle with Abdul-Qadir a few days earlier, was retreating toward Arzew to resupply when Abdul-Qadir attacked in the marshes on the banks of the Macta River in what is now western Algeria.  The French panicked and fled to Arzew in a disorganized rout.  The Algerians piled the heads of their defeated French enemies in a pyramid, allegedly hundreds in total.

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.

Supporting paragraphs: Battle of Bussaco Arthur Wellesley, 1st Duke of Wellington
Answer: Battle of Waterloo