How Did Christianity Turn the World Upside Down? The claim that Christianity was turning the world upside down was originally made by Christianity’s enemies, not its friends. In Acts 17:6–7, we hear that a mob of Hellenistic Jews set the city of Thessalonica in an uproar, shouting, “These men who have turned the world upside down have come here also . . . acting against the decrees of Caesar, sayi...