Two Romans in 2268
The Magna Roman Empire was the ruling body of Magna Roma for thousands of years before the 24th century and was ruled by an Emperor.
History[]
Following first contact with the USS Enterprise, Christianity had flourished with the Emperor's approval. (TOS reference: The Autobiography of James T. Kirk)
The Empire transformed rapidly into the Republic of Magna Roma. The republic was then able to join the United Federation of Planets. (TNG novel: The Captains' Honor)