Question: In which year there was a heavy landslide in nainital?

Disambiguated questions and answers:
context: In September 1882 a landslide ('the landslip of 1882') occurred at the north end of the town, burying 151 people. The first known landslide had occurred in 1866, and in 1879 there was a larger one at the same spot, Alma Hill, but "the "great slip" occurred in the following year, on Saturday 18 September 1882."
question: In which year there was the first heavy landslide in nainital?
short_answers: 1866
wikipage: Nainital
context: In September 1882 a landslide ('the landslip of 1882') occurred at the north end of the town, burying 151 people. The first known landslide had occurred in 1866, and in 1879 there was a larger one at the same spot, Alma Hill, but "the "great slip" occurred in the following year, on Saturday 18 September 1882."
question: In which year after the first landslide there was the next heavy landslide in nainital?
short_answers: 1879
wikipage: Nainital
context: Landslides are a frequent occurrence in the hill slopes surrounding the lake, which are steep. The slopes are highly vulnerable to landslides and mass movement due to various geological and human factors. The first known landslip occurred in Nainital in 1866 on Alma hill, and in 1879 there was a larger one at the same spot. The greatest landslide in Nainital occurred on 18 September 1880, on the slope which rising from the north of the flats ends at Alma peak, and resulted in 151 people being buried under the debris. Another heavy landslip occurred on 17 August 1898 outside the Nainital valley.
question: In which year there was the heaviest landslide in nainital?
short_answers: 18 September 1880
1880
wikipage: Nainital
context: Landslides are a frequent occurrence in the hill slopes surrounding the lake, which are steep. The slopes are highly vulnerable to landslides and mass movement due to various geological and human factors. The first known landslip occurred in Nainital in 1866 on Alma hill, and in 1879 there was a larger one at the same spot. The greatest landslide in Nainital occurred on 18 September 1880, on the slope which rising from the north of the flats ends at Alma peak, and resulted in 151 people being buried under the debris. Another heavy landslip occurred on 17 August 1898 outside the Nainital valley.
question: In which year there was a heavy landslide in nainital, outside the Nainital valley?
short_answers: 1898
17 August 1898
wikipage: Nainital

Long-form answers:
knowledge: content: The Assembly Rooms and the Naina Devi Temple were destroyed in the disaster. 
wikipage: Nainital
content: The number of dead and missing were 108 Indian and 43 Europeans, along with numerous people who narrowly escaped. 
wikipage: Nainital
long_answer: The first known heavy landslide in Nainital occurred in 1866. In 1879 there was a larger one at the same spot, Alma Hill. The greatest landslide in Nainital history occurred on 18 September 1880, on the slope that rises from the north of the flats ends at Alma peak. This landslide resulted in 151 people being buried under the debris. The number of dead and missing were 108 Indian and 43 Europeans, along with numerous people who narrowly escaped. Additionally, the Assembly Rooms and the Naina Devi Temple were destroyed in the disaster. Another heavy landslide occurred on 17 August 1898 outside the Nainital valley.