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I don't have specific context provided about what "221 BC" refers to. To write an accurate 2-sentence overview, I would need additional information about the historical event, person, or development associated with that year. Could you provide more context about what aspect of 221 BC you'd like me to explain?
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Article
Year 221 BC was a year of the pre-Julian Roman calendar. At the time it was known in Rome as the Year of the Consulship of Asina and Rufus/Lepidus (or, less frequently, year 533 Ab urbe condita). The denomination 221 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.
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