240s BC deaths

Arcesilaus (; ; 316/5–241/0 BC) was a Greek Hellenistic philosopher. He was the founder of Academic Skepticism and what is variously called the Second or Middle or New Academy – the phase of the Platonic Academy in which it embraced philosophical skepticism.

Egyptian queen consort

Roman consul 249 BC

Greek epigrammatist and poet (c.310–c.240 BC)

king of Epirus from 272 BC to 255 BC

24th King of Sparta

Roman consul 249 BC

Chinese Zhou dynasty ruler from 255 BC to 249 BC