on the ancients seem replete with accounts of some personages
that aparently were actually knowledgeable of repeated very massive or
cataclysmic disasters that could have happened to civilizations that
were much more ancient. The doomed civilizations were the really
ancient types that could have existed much earlier than the 4,000_B.C.
considered as beginning of current civilization, or before our recorded
written history (prehistoric).
Such old events may no longer be within reasonable verification means
for the average reader, if not of any current entity even in our modern
age, although veracity may reasonably be weighed from the
sophistication of told details.
A priest of Egypt who conversed (or argued) with a high government
official of Athens involved with law (a lawyer type) did hint of
repeated annihilation on humanity, as reported by ancient Plato
(ref.#pe2). Plato was a Greek philosopher who lived around 427_B.C.to