Question: The Temple of Diana in ancient Rome was a Roman temple which, according to the early semi-legendary history of Rome, was built in the 6th century BC during the reign of the king Servius Tullius, the regal period, also called what, was the period of the ancient Roman civilization characterized by a monarchical form of government of the city of Rome and its territories?
Sentence (from "Roman Kingdom"): The Roman Kingdom, or regal period, was the period of the ancient Roman civilization characterized by a monarchical form of government of the city of Rome and its territories.
Relevant evidence: Yes