Social upheaval across Europe between 1250 and 1860 correlates with volcanic eruptions, reduced sunspot activity and surging food prices
Več na: https://www.newscientist.com/article/2494390-volcanic-eruptions-may-have-helped-spark-the-french-revolution/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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