Complex sentence: The town dates back to at least the 2nd century, when it was an important naval base for the Romans now believed by experts to have been Tunnocellum, although it is often popularly named "Glannoventa".
Split into simpler sentences: The town dates back to at least the 2nd century, when it was an important naval base for the Romans. The Latin name of the settlement is the subject of scholarly debate: now believed by experts to have been Tunnocellum, although it is often named "Glannoventa".