Maunder Minimum

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The Maunder minimum coincided with the coldest part of the “Little Ice Age” (c. 1500–1850) in the Northern Hemisphere, when the Thames River in England froze over during winter, Viking settlers abandoned Greenland, and Norwegian farmers demanded that the Danish king recompense them for lands occupied by advancing glaciers.

from https://www.britannica.com/science/Maunder-minimum

Little Ice Age.  Boy, that sounds like fun.




Cheers