Maunder minimum
n.— «Between 1645 and 1714, astronomers reported almost no sunspot activity. This solar funk, which has not been repeated, came to be called the “Maunder minimum,” and it coincided with the coldest part of the Little Ice Age in Europe and North America.» —“Solar funk” by Pamela Zerbinos Astronomy.com June 18, 2004. (source: Double-Tongued Dictionary)
Further reading
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