Foreign Gods Adopted by Rome: How the Roman Pantheon Expanded

A Roman-style painting showing four foreign deities adopted by Rome, including Isis of Egypt, Jupiter, Hera, and Mithras, standing together inside a grand marble temple.

When Rome conquered a new people, it didn’t destroy their gods — it absorbed them. This wasn’t simply tolerance. It was a theological position, and it produced one of the most diverse religious systems the ancient world ever saw.

Interpretatio Romana: How Rome Read the Gods of Other Peoples

A Roman priest comparing carved symbols of foreign deities to Roman gods, illustrating the concept of interpretatio Romana.

The reason we assume Zeus and Jupiter are the same god has a name: interpretatio Romana. It was Rome’s systematic practice of identifying foreign deities with Roman ones — and it shaped how the entire classical tradition was passed down to the Western world.