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Little Ice Age

The Little Ice Age (LIA) was a period of cooling lasting approximately from the 14th to the mid-19th centuries, although there is no generally agreed start or end date: some confine the period to 1550-1850.

This cooler period occurs after a warmer era known as the Medieval climate optimum.

Note:   The above text is excerpted from the Wikipedia article "Little Ice Age", which has been released under the GNU Free Documentation License.
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