A worldwide flood that took place 14,600 years ago is almost certainly the origin of some of the oldest of all human stories, the flood tales of Native America, the Sumerian Epic of Gilgamesh and Noah’s Flood.

Scientists now know that it was caused by a very rapid and intense warming event and the collapse of ice sheets all across the planet. But why did it happen?

One theory is that it was caused by a comet striking the Laurentian Ice Sheet above what is now the Great Lakes. This led to the disintegration of the ice sheet and a subsequent dramatic melt and rise in temperatures. This theory is discussed in the Cycle of Cosmic Catastrophes by scientists Richard Firestone, Allen West and Simon Warwick-Smith.
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