Reminds of that classic Star Trek episode,
Bread and Circuses, where the Enterprise winds up at a planet where the predominate culture is Classic Roman, though technologically advanced to roughly 20th Century Earth. This culture still retains gladitorial contests, typical Roman brutality and even the persecution of a group of folk McCoy mistakes for "Christians" because they worship the "Son" ... but it wasn't the Son of God they worship as the Crew later discovers, but rather The Sun ...
I know, I know ... I'm a geek ...