Fossilized tree and ice cores help date huge volcanic eruption 1,000 years ago to within three months


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A world group of researchers has managed to pinpoint, to inside three months, a medieval volcanic eruption in east Asia the exact date of which has puzzled historians for many years. They've additionally proven that the so-called "Millennium eruption" of Changbaishan volcano, one of many largest in historical past, can't have introduced concerning the downfall of an essential 10th century kingdom, as was beforehand thought.