A person (or a God) may become a queen when they acquire subjects. In my opinion this is the only requirement to become a queen or a king. Others may want to add additional conditions but for the purpose of this discussion we'll go with this interpretation for now.
As Hera had God-like powers and used them to assist/torment lesser beings, they chose to be subject to her (in hopes of gaining her favour and assistance) and there-by made her a queen.
Yes. Hera is queen of the but. I am pretty sure she is not queen of the of the of.
Hera was the queen of the heavens, marriage, and the protectress of women.
Hera was Queen of the Gods and Goddesses of Mount Olympus.
Hera wasn't the king of anything. She was female- making her the Queen. She was the Queen of the Greek gods and goddesses.
Hera was the queen of the Olympians
They are sisters, both goddesses, Hera the Queen of Heaven, and Demeter the Queen of Earth.
Because her husband Zeus is the king of Olympians and therefore Hera is the queen of Olympians
Hera, wife of Zeus.
Hera was the queen of gods and the goddess of marriage
Hera.
Hera
Hera