Volcanic eruption 'helped defeat Napoleon', study claims

A new paper into how volcanic eruptions shape the Earth's weather has suggested an unlikely belligerent ended the Napoleonic Wars.

https://news.sky.com/story/volcanic-eruption-helped-defeat-napoleon-study-claims-11479406

https://www.acsh.org/news/2018/08/22/was-napoleon-defeated-weather-1815-13342