Helike(həlēkē), ancient city of Achaea, N Peloponnesus, near the mouth of the Selinous River, 20 mi (32 km) E of Pátrai. Noted for its sanctuary of Poseidon, Helice was a seat of the First Achaean LeagueAchaean League
, confederation of cities on the Gulf of Corinth. The First Achaean League, about which little is known, was formed presumably before the 5th cent. B.C. and lasted through the 4th cent. B.C. Its purpose was mutual protection against pirates.
..... Click the link for more information. . It was destroyed by an earthquake and tsunami in 373 B.C., a fate that is said to have influenced Plato's story of AtlantisAtlantis
, in Greek legend, large island in the western sea (the Atlantic Ocean). Plato, in his dialogues the Timaeus and the Critias, tells of the high civilization that flourished there before the island was destroyed by an earthquake.
..... Click the link for more information. . Its ruins and those of a 4,500-year-old Bronze Age settlement that met a similar fate were discovered in 2000 and 2001 respectively.