Greek gods.

So, go ahead and make your own story, and I'll write about the gods. 🥱
Cronus is the god of time, father of Zeus (he ate his children).
Rhea is his wife, the goddess of fertility, who saved Zeus.

Major Gods (Second Generation)
Zeus is the god of the sky, thunder, and lightning, the supreme god. Symbols: eagle, lightning, oak.
Poseidon is the god of the seas and oceans, brother of Zeus. Symbols: trident, horses, dolphins.
Hades is the god of the underworld. Symbols: helmet of invisibility, dog Cerberus.
from the younger generation:
Athena is the goddess of wisdom and war. She was born from the head of Zeus. Symbols: owl, olive tree.
Apollo is the god of light, arts, and healing. Symbols: lyre, laurel, onion.
Artemis is the goddess of the hunt and the moon. Symbols: bow, doe.
Ares is the god of war (bloody and cruel). Symbols: sword, spear.
Aphrodite is the goddess of love and beauty. Symbols: dove, rose, belt.
Hermes is the god of commerce, cunning, and the messenger of the gods. Symbols: winged sandals, staff.
Hephaestus is the god of fire and blacksmithing, husband of Aphrodite. Symbols: anvil, hammer.
Demeter is the goddess of fertility and agriculture. Symbols: ears of wheat.
Hestia is the goddess of the hearth.
Dionysus is the god of wine and revelry. Symbols: grapevine, cup.

The Greek gods discovered a new state near theirs and decided to test it out. But they stumbled upon your territory. (The rest is up to you.)