De Die Natale, The Natal Day: And Life Of The Emperor Hadrian is a historical text written by the ancient Roman author Censorinus, M. The book focuses on the life and reign of Emperor Hadrian, who ruled the Roman Empire from 117 to 138 AD. The text is divided into two parts, with the first part discussing the concept of the ""natal day"" or birthday, and its significance in Roman culture. The second part provides a detailed account of Hadrian's life,...