274 BC
274 BC marks a year in the Julian proleptic calendar. It is significant primarily as a chronological marker in historical accounts, situating events within the 3rd century BC. Specific events of importance occurring during this year would need to be detailed separately. The year falls within the Hellenistic period, following the death of Alexander the Great and the subsequent fragmentation of his empire. It predates the rise of the Roman Empire to its greatest extent. Historical research and archaeological evidence are the primary sources for understanding events that occurred in 274 BC.