: 3rd century BC
- 2nd century BC
- 1st century BC
Decades: 240s BC 230s BC 220s BC 210s BC 200s BC - 190s BC - 180s BC 170s BC 160s BC 150s BC 140s BC
Years: 204 BC 203 BC 202 BC 201 BC 200 BC - 199 BC - 198 BC 197 BC 196 BC 195 BC 194 BC
- Gnaeus Baebius Tamphilus attacks the Insubres in Gaul, but loses over 6,700 soldiers in the process.
- In Rome, the Lex Porcia gives citizens in Italy and the provinces a right of appeal in capital cases.