Mythology
In the time of Ancient greeks the people had pleanty of gods they had them for water, fire and the other things of that sort. When somthing went wrong the people would eather apollojise to the gods andhope for forgivness,or they would sacrefice an animal because they would think the gods are punishing them for a sin (but obvosoly there gods for every thing wearnt real but still) or also for somthing else.
Zeus, Poseidon, Hades, Hestia, Hera, Ares, Athena, Apollo, Aphrodite, Hermes, Artemis, Hephaestus, Hercules
These are the thirtine greek gods