In Plato's Timaeus, Timaeus says that because the Bronze race of Humans had been making wars constantly Zeus got angered and decided to punish humanity by a flood.
Timaeus of Locri, the 5th-century (BC) Pythagorean philosopher, appearing in Plato's dialogue
Timaeus | Locri | Timaeus (dialogue) | Timaeus of Locri | Timaeus (historian) | Timaeus the Sophist |