Topic: Tell me a short, interesting fact about

The Roman Empire legalized Christianity in 313 AD with the Edict of Milan, marking a significant shift in the empire's religious policies and paving the way for Christianity to become the dominant religion in the Western world. Prior to this, Christianity was a religion associated with persecution, secrecy, and resistance. Following its legalization, Christianity began to influence various aspects of Roman society, such as law, education, and art.