Complex sentence: Year 341 BC was a year of the pre-Julian Roman calendar.In the Roman Empire it was known as the Year of the Consulship of Venno and Privernas (or, less frequently, year 413 "Ab urbe condita").
Split into simpler sentences: Year 341 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Venno and Privernas (or, less frequently, year 413 "Ab urbe condita").