Dashed left edge = started before September 1816 ·
Dashed right edge = ongoing beyond September 1816
Events in September 1816 1
1816Year Without a SummerVolcanic winter causes global crop failures and famineAsh and sulfate aerosols from the 1815 eruption of Mount Tambora cooled the global climate, bringing snow and frost to New England and Canada in June and ruined harvests across Europe, eastern North America, and parts of Asia. The resulting food shortages triggered the last severe subsistence crisis in the Western world, with famine, disease, and bread riots across many regions.