Diana (mythology) influence of Greek and Etruscan religion. By the 3rd century BCE, Diana is found listed among the twelve major gods of the Roman pantheon by the poet Ennius. Though the Capitoline Triad were the primary state gods of Rome, early Roman myth did not assign a strict hierarchy to the gods the way Greek mythology did, though the Greek hierarchy would eventually be adopted by Roman religion as well. Once Greek influence had caused Diana to be considered identical to the Greek goddess Artemis, Diana acquired Artemis' physical description, attributes, and variants of her myths as well. Like Artemis, Diana
Gallo-Roman culture in Roman terms, such as with Lenus Mars or Apollo Grannus. Otherwise, a Roman god might be paired with a native goddess, as with Mercury and Rosmerta. In at least one case – that of the equine goddess Epona – a native Gallic goddess was also adopted by Rome. Eastern mystery religions penetrated Gaul early on. These included the cults of Orpheus, Mithras, Cybele, and Isis. The imperial cult, centred primarily on the "numen" of Augustus, came to play a prominent role in public religion in Gaul, most dramatically at the pan-Gaulish ceremony venerating Rome and Augustus at the Condate