4.2-kiloyear event

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Notion

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Science and technology

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What Wikipedia says

The 4.2-kiloyear event (also known as the 4.2 ka event) was an aridification event (long-term drought), 4,200 years ago. It was one of the most severe climatic events of the Holocene epoch. It defines the beginning of the current Meghalayan age in the Holocene epoch.

Excerpt from the Wikipedia article “4.2-kiloyear event”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Jianjun Wang, Liguang Sun, Liqi Chen, Libin Xu, Yuhong Wang & Xinming Wang, CC BY-SA 4.0, via Wikimedia Commons.