a) Between May and August 1783, two volcanic eruptions had occurred, one in Iceland and one in Japan. The northern hemisphere had been covered in a “great fog”.
b) A year earlier, a volcano had erupted in Indonesia, sending up vast quantities of fine volcanic dust into the atmosphere. Circling the Earth, the dust reflected sun.light back into space.
c) This, of course, was an extraordinary event. In fact, it is considered one of the most catastrophic global events in recorded history. But something like it had happened before, and within living memory.
d) The Earth literally darkened, temperatures dropped. Throughout western Europe and North America crops failed, and cattle died. A large portion of the world lay under a huge volcanic cloud.
e) In the spring of 1816, the weather suddenly changed The unseasonably warm spring turned cold and people were forced indoors by continual rain. The skies darkened and there was no summer.