Centuries: 5th century BC - 4th century BC - 3rd century BC

Decades: 380s BC 370s BC 360s BC 350s BC 340s BC - 330s BC - 320s BC 310s BC 300s BC 290s BC 280s BC

343 BC 342 BC 341 BC 340 BC 339 BC - 338 BC - 337 BC 336 BC 335 BC 334 BC 333 BC

  • August 2 - Battle of Cheronea: Philip of Macedon defeats Athens and Thebes in the definitive battle for Greek Independence
  • King Arses of Persia ascends to the Persian throne.
  • Agis III succeeds his father Archidamus III as king of Sparta
  • Battle of Trifanum: The Roman general T. Manlius Torquatus decisively defeats the Latins.