Year Without a Summer (1816) - John Seach

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The year 1816 was known as the Year Without a Summer. The northern hemisphere suffered from colder than normal conditions.

In the NE United states snow remained 2 feet deep in late spring.

The global weather change was caused by a sunspot minimum called the Dalton Minimum, and the effects of volcanic aerosols from the eruption of Tambora volcano in Indonesia in 1815.