Category
page 1320 BC deaths
Menaechmus
Menaechmus (, c. 380 – c. 320 BC) was an ancient Greek mathematician, geometer and philosopher born in Alopeconnesus or Prokonnesos in the Thracian Chersonese, who was known for his friendship with the renowned philosopher Plato and for his apparent discovery of conic sections and his solution to the then-long-standing problem of doubling the cube using the parabola and hyperbola.

Zoilus
Zoilus ( Zoilos; c. 400320 BC) was a Greek grammarian and literary critic from Amphipolis in Eastern Macedonia, then known as Thrace. He took the name Homeromastix (Ὁμηρομάστιξ "Homer whipper"; gen.: Ὁμηρομάστιγος) later in life.
Anaximenes of Lampsacus
4th-century BC Greek rhetorician and historian

Alcetas
thumb|Relief of a horseman from the so-called "Tomb of Alcetas" in Termessos (modern Turkey)
Alcetas (Greek Ἀλκέτας; died 320 BC) was the brother of Perdiccas and the son of Orontes from Orestis. He is first mentioned as one of Alexander the Great's generals in his Indian expedition.
King Wei of Qi
Ruler of Qi between 356 BC and 320 BC