According to other narrations, Gods divided the world for themselves. Poseidon was one of them and he got the Atlantis. Some people had already lived on the island and one of them was Evenor who had Leucippe as his spouse; they had one daughter – Cleito. Cleito grew up, she was more and more beautiful, and Poseidon fell in love with her. When Cleito's parents died, the almighty God of the Sea took care of her and she was about to give birth to five pairs of twins – men, twin brothers, who received the Atlantis to domineer over it. The oldest one was Atlas. And these ruled and governed in a big empire...
Egyptians said to Solon that Atlantis had been destroyed some 9000 years ago. Thus, if we add 600 years (before Christ) when Solon lived, and 2000 years that passed from the Christ's birth until today, we will get 11,600 years.
There are other authors who wrote about Atlantis, but the first and most famous source is that one of Plato. The other source is a Greek philosopher Diodorusa Siculus, who lived some 90-20 years before Christ, and who wrote (Bibliotheca Historica) that some thousands years in the past Phoenicians had visited a very big island. Atlanteans allegedly “civilized most of the people”. So you can see, there are more historical descriptions of Atlantis among which we can also find the one from Aristotle, who wrote, too, about a big island in the Atlantic Ocean. Furthermore, the destruction of Atlantis was mentioned by historians such as Marcellinus, Timagenus, Theopompos...