Decades: 290s BC 280s BC 270s BC 260s BC 250s BC - **240s BC** - 230s BC 220s BC 210s BC 200s BC 190s BC

Years: 250 BC 249 BC 248 BC 247 BC 246 BC - **245 BC** - 244 BC 243 BC 242 BC 241 BC 240 BC

- Antigonus II Gonatas recovers Corinth from the widow of Alexander of Corinth.
- A Roman colony is established at Brundisium in southern Italy (according to Velleius Paterculus).

- Pharaoh Arsinoe III of Egypt of the Ptolemaic Dynasty(another possible year of birth is 246 BC).