This task involves annotating the answer type to a given question that involve some kind of complex reasoning (including numerical reasoning). Note that the questions require looking at more than one part of the passage to answer. There are 3 possible answer types (i) spans, (ii) numbers and (iii) dates. If the answer can be found in the passage, label it as "span". If the answer is a number, label as "number". Similarly, label "date" if you think the answer to the given question is a date.
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Question: Passage: The immediate background was Napoleonic France's defeat and surrender in May 1814, which brought an end to 25 years of nearly continuous war. Negotiations continued despite the outbreak of fighting triggered by Napoleon's dramatic return from exile and resumption of power in France during the Hundred Days of March to July 1815. The Congress's "final act" was signed nine days before his final defeat at Waterloo on 18 June 1815. The Congress has often been criticized for causing the subsequent suppression of the emerging national and liberal movements, and it has been seen as a reactionary movement for the benefit of traditional monarchs. However, others praise it for having created relatively long-term stability and peaceful conditions in most of Europe. In a technical sense, the "Congress of Vienna" was not properly a congress: it never met in plenary session, and most of the discussions occurred in informal, face-to-face sessions among the Great Powers of Austria, Britain, France, Russia, and sometimes Prussia, with limited or no participation by other delegates. On the other hand, the congress was the first occasion in history where, on a continental scale, national representatives came together to formulate treaties instead of relying mostly on messages among the several capitals. The Congress of Vienna settlement, despite later changes, formed the framework for European international politics until the outbreak of the First World War in 1914.
Question: On what date was the Congress's "final act" signed?

Answer: date


Question: Passage: The Mughal power in northern India had been declining since the reign of Aurangzeb, who died in 1707. In 1751-52, the Ahamdiya treaty was signed between the Marathas and Mughals, when Balaji Bajirao was the Peshwa of the Maratha Empire. Through this treaty, the Marathas controlled large parts of India from their capital at Pune and Mughal rule was restricted only to Delhi . Marathas were now straining to expand their area of control towards the Northwest of India. Durrani sacked the Mughal capital and withdrew with the booty he coveted. To counter the Afghans, Peshwa Balaji Bajirao sent Raghunathrao. He succeeded in ousting Timur Shah and his court from India and brought northwest of India up to Peshawar under Maratha rule. Thus, upon his return to Kandahar in 1757, Durrani chose to return to India and confront the Maratha forces to regain northwestern part of the subcontinent. In 1761, Durrani set out on his campaign to win back lost territories. The early skirmishes ended in victory for the Afghans against the Maratha garrisons in northwest India. By 1759, Durrani and his army had reached Lahore and were poised to confront the Marathas. By 1760, the Maratha groups had coalesced into a big enough army under the command of Sadashivrao Bhau. Once again, Panipat was the scene of a battle for control of northern India. The Third battle of Panipat was fought between Durrani's Afghan forces and the Maratha forces in January 1761, and resulted in a decisive Durrani victory. This brought Punjab till north of Sutlej river under Afghan control. Ahmad Shah Durrani vacated Delhi soon after the battle. But the victory did not last, 10 years later the Maratha Empire recaptured lost lands.
Question: In what year did the Maratha Empire recapture its' lost lands?

Answer: date


Question: Passage: The Central Powers launched a crushing offensive on 26 October 1917, spearheaded by the Germans, and achieved a victory at Caporetto . The Italian Army was routed and retreated more than 100 kilometres  to reorganise, stabilising the front at the Piave River. Since the Italian Army had suffered heavy losses in the Battle of Caporetto, the Italian Government ordered conscription of the so-called '99 Boys : all males born in 1899 and prior, who were 18 years old or older. In 1918, the Austro-Hungarians failed to break through in a series of battles on the Piave and were finally decisively defeated in the Battle of Vittorio Veneto in October. On 1 November, the Italian Navy destroyed much of the Austro-Hungarian fleet stationed in Pula, preventing it from being handed over to the new State of Slovenes, Croats and Serbs. On 3 November, the Italians invaded Trieste from the sea. On the same day, the Armistice of Villa Giusti was signed. By mid-November 1918, the Italian military occupied the entire former Austrian Littoral and had seized control of the portion of Dalmatia that had been guaranteed to Italy by the London Pact. By the end of hostilities in November 1918, Admiral Enrico Millo declared himself Italy's Governor of Dalmatia. Austria-Hungary surrendered on 11 November 1918.
Question: When did the Italian Navy destroyed much of the Austro-Hungarian fleet stationed in Pula?

Answer:
date