In Mesopotamian religion, the chief god of the city of Babylon and the national god of Babylonia. He began as a god of thunderstorms, and according to legend he became lord of all the gods after conquering the monster of primeval chaos, Tiamat. Marduk's star was the planet Jupiter, and his sacred animals were horses, dogs, and a dragon with a forked tongue, representations of which adorned Babylon's walls.
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