In 1783, a volcano in Iceland spewed so much ash into the atmosphere that the entire northern hemisphere was cooled for almost three years. This resulted in crop failures and famine, and some historians argue that it helped to precipitate the French Revolution.
回想在1783年的时候，冰岛有座火山向天空中喷发了过量的火山灰，以至于整个北半球几乎降温达3年之久，不但导致粮食减产和饥荒，甚至有历史学家认为正是该事件催生了法国大革命。