Events from 350 BC

Zhuangzi writes on Taoism - butterfly dream, relativism, spontaneity, humor in philosophy

Praxiteles sculpts Aphrodite of Knidos - first life-size female nude, sensation of ancient world

Shang Yang's reforms in Qin - Legalist policies that will enable China's unification

Aristotle proposes geocentric cosmos - crystalline spheres, four elements, quinta essentia

Aristotle develops syllogistic logic in the Organon, establishing the first formal system of logic with rules of valid inference

Entremont becomes major oppidum - Saluvii Celts control trade routes between Massalia and interior, stone sculpture shows severed heads cult

Aristotle studies wine - observes fermentation, notes wine's properties, discusses effect on body and mind