Well, it wouldn't be entirely unprecedented. See: "Indigenous Australian storytelling accurately records sea level rises 7,000 years ago" https://www.theguard

Well, it wouldn't be entirely unprecedented. See: "Indigenous Australian storytelling accurately records sea level rises 7,000 years ago" https://www.theguardian.com/australia-news/2015/sep/16/indigenous-australian-storytelling-records-sea-level-rises-over-millenia https://www.theguardian.com/australia-news/2015/sep/16/indig...