I know Pluto was the earliest reference to Atlanitis. He said his ancestor Solon went to Egypt in 600 BC. Egyptian priests told him that 9000 years ago there was an advanced city called Atlantis and they "angered the gods". The city then was flooded and "sank" to the bottom of the ocean. This puts that event at about 11,600 years ago. Also 11,600 years ago was the single most extreme water level rise from in history from melting ice. So does this help prove the existence of Atlantis?