The Year Without a Summer: How a massive volcano altered the course of human history

The reverberations of Mt. Tambora’s devastating eruption in April 1815 went far beyond the deaths of tens of thousands of Indonesians. It also triggered global food shortages, an economic depression, the rampant spread of disease, a cultural art movement, and — due to mass weather pattern alterations — resulted in what many know today as “The Year Without a Summer.” Adam Wallis explains.

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