A volcano froze crops worldwide in 1453
by Ellsworth Toohey from Boing Boing on (#76TT7)

According to the record of the 1452/1453 mystery eruption, a volcano erupted somewhere on Earth powerful enough to inject about 11 megatons of sulfur into the stratosphere - "roughly one-third that of the 1815 eruption of Mount Tambora" - and no one knows which volcano it was. - Read the rest
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