Mar 6, 2023 · Finally, several canonical labors are never mentioned at all, including the Erymanthean Boar, the Augean Stables, the Stymphalian Birds, and the Cretan Bull. This is highly strange, as the Twelve Labors had been fixed since around 470 BCE, when they were depicted in sculpted relief on the Temple of Zeus at Olympia. Perhaps Euripides was ...