When you process this definition of the event which was the actual realization of what this post is potentially alluding to, you realize ALL of this happened naturally long before any human impacts could be involved.
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The Little Ice Age is generally defined as occurring from around 1300 to about 1850, with significant cold periods noted between 1458–1552, 1600–1720, and 1840–1880. It was marked by regional cooling, particularly in the North Atlantic, leading to advances in glaciers and colder temperatures across various regions.