I don't have any context provided about what "309 BC" refers to specifically, so I cannot write an accurate overview based on the context you mentioned. Could you please provide the context or source material about "309 BC" that you'd like me to base the overview on?
AI-generated from the Wikipedia summary — may contain errors.
Year 309 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Dictatorship of Cursor (or, less frequently, year 445 Ab urbe condita). The denomination 309 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.
Events
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).