The temple was constructed concerning 421-406 BC by Mnesicles and Phidias, and was committed to the goddess Athena as well as the god Poseidon who both contested town of Athens. It is the site with the ‘Sacred Tokens’ which have been the marks created by Poseidon along with his trident https://lukaswarner.bravejournal.net/parakolouthese-anelikou-apo-ntetektib-times-kai-paragontes-pou-diaphoropoioun