The Laki Fissure Eruption was a volcanic event in Iceland in 1783 lasted for months, leading to the deaths of thousands of people and affecting the climate in a lot of the world.
Research:

SYMHC Classics: Dr. Lucy Hobbs Taylor
29:58

Behind the Scenes Minis: Carry-on Bags
28:38

Gustave Flaubert and the ‘Madame Bovary’ Trial
45:15