The Younger Dryas was a climate cooling event around that time. https://en.wikipedia.org/wiki/Younger_Dryas https://en.wikipedia.org/wiki/Younger_Dryas A mino

The Younger Dryas was a climate cooling event around that time. https://en.wikipedia.org/wiki/Younger_Dryas https://en.wikipedia.org/wiki/Younger_Dryas A minority view holds that the YD was caused by an comet disintegrating and creating a chain of impacts or airbursts across the Northern Hemisphere. A further subset of that minority suggests that those events are the source for flood myths around the world, and speculates that advanced civilizations existed prior. https://en.wikipedia.org/wiki/Younger_Dryas_impact_hypothesis#In_popular_culture https://en.wikipedia.org/wiki/Younger_Dryas_impact_hypothesi... https://en.wikipedia.org/wiki/Magicians_of_the_Gods https://en.wikipedia.org/wiki/Magicians_of_the_Gods