Some of the of the most major religion were founded in Greece and Rome. Hellenism was founded in Greece by Alexander the Great and is practiced today. Christianity was founded in the Rome empire and became the official religion of Rome: it is one of the biggest religions today. Finally, Islam was found in Arabia clans and is also one of the biggest religions today.
Greece and Rome had huge impacts on the political and legal systems today. Greece philosopher Socrates came up with the method of questioning and learning