The west pediment of the Parthenon monument
On the west pediment, it is presented the quarrel between Athena and Poseidon for who will be Athens's patron deity.The two divinities decided to offer their gifts to win. With one blow of Poseidon's trident, the god of the seas Poseidon caused a spring (or a lake) of salty water to spring up on the Acropolis. The goddess Athena with a spearhead made the first olive tree in the Acropolis. The goddess Athena became the city's patron deity This story is first recounted by Herodotus.