320 BC

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

Decades: 370s BC 360s BC 350s BC 340s BC 330s BC - 320s BC - 310s BC 300s BC 290s BC 280s BC 270s BC

325 BC 324 BC 323 BC 322 BC 321 BC - 320 BC - 319 BC 318 BC 317 BC 316 BC 315 BC

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Births

Deaths

Events

• Theophrastus begins the systematic study of botany