The Great Deluge
From Future Of Mankind
The Great Deluge was a worldwide flood that occurred in the year 9545 BC as described in Asket's Explanations - Part 4.
300 years before this, King Sahluk had a son named Saurid who had the capability who had a strong ability to see into the future. Saurid informed his father of an impending collision with meteorites and a subsequent flood that would be caused by the now known Destroyer planet who then ordered his people to fortify the Great Pyramid in order to save many humans.