Atlantis

Atlantis (in Greek, Ἀτλαντὶς νῆσος, "island of Atlas") is a legendary island first mentioned in Plato's dialogues Timaeus and Critias.

In Plato's account, Atlantis was a naval power lying "in front of the Pillars of Hercules" that conquered many parts of Western Europe andAfrica 9,000 years before the time of Solon, or approximately 9600 BC. After a failed attempt to invade Athens, Atlantis sank into the ocean "in a single day and night of misfortune"........

http://en.wikipedia.org/wiki/Atlantis

http://www.atlan.org/

http://library.thinkquest.org/C007461/atlantis.htm

http://www.kidzworld.com/article/985-atlantis-reality-or-myth