สมเด็จพระสันตะปาปาซิมพลิซิอุส

I don't have specific context about "Simplicius" provided in your message. To write an accurate overview based solely on the context given, I would need additional information about which Simplicius you're referring to (for example, whether it's a person, work, or concept) and details about its significance. Could you provide more context so I can write an accurate, fact-based overview?

AI-generated from the Wikipedia summary — may contain errors.