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Dust clogged the atmosphere worlwide to the point that 1816 was called
The Year Without a Summer and the Norther Hemisphere suffered the biggest famine of the 19th century.
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There are studies that suggest this was the cause of a wave of migration from New England to (what is now) the Midwest.
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Do you have a link to this? I've heard of the famine, but I thought that it was related to the Tambora volcano eruption.
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Ummmm, yes. BigPoppa's post was about the eruption, which caused the 'Year Without a Summer', which spurred migrations west and south.
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