紀元前231年
1. 231 BCYear 231 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Matho and Maso (or, less frequently, year 523 Ab urbe condita). The denomination 231 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Read “231 BC” on English Wikipedia
Read “紀元前231年” on Japanese Wikipedia
Read “231 BC” on DBpedia
Read “231 BC” on English Wikipedia
Read “紀元前231年” on Japanese Wikipedia
Read “231 BC” on DBpedia
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