385 BCE

Bardyllis becomes king of Illyria and the Dardani and establishes the Bardyllian Dynasty. Jason of Pherae becomes tyrant of Thessaly. Plato forms his Academy, teaching mathematics, astronomy and other sciences as well as philosophy. It is dedicated to the Attic hero Academus. Philanthropists bear all costs; students pay no fees.

In the 380s BC, the 4th century BC.

Geopolitics & Diplomacy

  • Bardyllis becomes king of Illyria and the Dardani and establishes the Bardyllian Dynasty.source

Conflict & Security

  • Mantinea gets destroyed by Sparta and their subdued thebans allies.source
  • Jason of Pherae becomes tyrant of Thessaly.source

Science & Discovery

  • Democritus announces that the Milky Way is composed of many stars.source

Culture & Society

  • Dionysius I of Syracuse attempts to restore Alcetas I of Epirus to the throne.source
  • Plato forms his Academy, teaching mathematics, astronomy and other sciences as well as philosophy. It is dedicated to the Attic hero Academus. Philanthropists bear all costs; students pay no fees.source

Births

  • Mentor of Rhodes, Greek mercenary and satrap (approximate date)source

Deaths

  • Chuzi II, Chinese ruler of the Zhou Dynasty (approximate date)source
  • Camissares, Persian satrap of Ciliciasource