647 BC

647 BC is a year in the pre-Julian Roman calendar. As this year predates the Gregorian calendar, it is a proleptic Julian year. It corresponds to a year in the 7th century BC. Events associated with this year are reconstructions and interpretations based on archaeological and historical evidence, which can be subject to change and debate as new information emerges. Historical records from this period are often fragmented or incomplete, making definitive statements about specific events challenging.