At least 117,000 people died in the eruption and its aftermath. It took more than five years before crops could be harvested again on Sumbawa. Bali and Lombok were particularly hard hit. The whole thing had an extremely long lasting effect on the island's ecology.
The 2015 episode covers a volcano eruption in Sumbawa, Indonesia in 1816, that combined with several other factors to create an unusual -- and catastrophic -- series of weather events.
See omnystudio.com/listener for privacy information.