: 4th century BC
- 3rd century BC
- 2nd century BC
Decades: 250s BC 240s BC 230s BC 220s BC 210s BC - 200s BC - 190s BC 180s BC 170s BC 160s BC 150s BC
Years: 212 BC 211 BC 210 BC 209 BC 208 BC - 207 BC - 206 BC 205 BC 204 BC 203 BC 202 BC
- Emperor Er Shi of the Qin Dynasty of China is assassinated by his chief eunuch Zhao Gao. He is replaced by his nephew Ying Zi Ying, who in turn assassinates Zhao Gao.
- Second Punic War:
- The Roman general Gaius Claudius Nero fights an indecisive battle with Hannibal in the Battle of Grumentum, but escapes north to confront Hannibal's brother Hasdrubal.
- Hasdrubal Barca enters Italy, is defeated and killed at the Battle of the Metaurus River by Nero.
- Scipio Africanus Major defeats the last Carthaginian army in Spain.
- Philopoemen of the Achaean League defeats the Spartans under Machanidas, in the Battle of Mantinea.