Events from 150 BC

Rio Tinto under Roman control - massive expansion using hydraulic mining, 10,000+ workers, slag heaps reach 30 meters high

Manching oppidum reaches peak - 380 hectare Celtic city, 5,000-10,000 inhabitants, major trade center with specialized crafts

Celts invent soap - Pliny credits Gauls with soap making from tallow and ash, exported to Rome for hair dyeing

Annual assembly at Carnutes - druids gather at sacred center of Gaul to settle disputes, elect chief druid

Narbo founded as wine port - Roman colony established to control wine trade with interior Gaul, becomes major commercial hub