Decades: 390s BC 380s BC 370s BC 360s BC 350s BC - **340s BC** - 330s BC 320s BC 310s BC 300s BC 290s BC

352 BC 351 BC 350 BC 349 BC 348 BC **347 BC** 346 BC 345 BC 344 BC 343 BC 342 BC

- The Greek philosopher Plato establishes the Academy. This free school dedicated to the god Academus is supported by philanthropists and will last for 876 years.

- Plato, Greek philosopher