WORLD CIVILIZATION

Detailed explanation-1: -There were twelve principal deities in the Greek pantheon. Foremost was Zeus, the sky god and father of the gods, to whom the ox and the oak tree were sacred; his two brothers, Hades and Poseidon, reigned over the Underworld and the sea, respectively.

Detailed explanation-2: -Greek religion, Beliefs, rituals, and mythology of the ancient Greeks. Though the worship of the sky god Zeus began as early as the 2nd millennium bc, Greek religion in the established sense began c. 750 bc and lasted for over a thousand years, extending its influence throughout the Mediterranean world and beyond.

Detailed explanation-3: -Zeus () is the sky and thunder god in ancient Greek religion, who rules as king of the gods on Mount Olympus. His name is cognate with the first element of his Roman equivalent Jupiter.

Detailed explanation-4: -In ancient Greek religion and mythology, the twelve Olympians are the major deities of the Greek pantheon, commonly considered to be Zeus, Poseidon, Hera, Demeter, Aphrodite, Athena, Artemis, Apollo, Ares, Hephaestus, Hermes, and either Hestia or Dionysus.