Ablank" >target="_blank" >system of belief datingfrom the time of glossary/antiquity/" class="glossaryLink" data-cmtooltip="82a3ba83e308936b5f6b3e8445e31834" target="_blank" >antiquity and that continued to be followed and practiced through the time that Greece was eclipsed by Rome commercially, architecturally, and militarily. Zeus was the sky and thunder god who ruled from Mount Olympus.