Decades: 270s BC 260s BC 250s BC 240s BC 230s BC - **220s BC** - 210s BC 200s BC 190s BC 180s BC 170s BC

Years: 226 BC 225 BC 224 BC 223 BC 222 BC - **221 BC** - 220 BC 219 BC 218 BC 217 BC

- State of Qin conquered the state of Qi. King Zheng of Qin unifed China and proclaimed himself Qin Shi Huang Di (the First Emperor of Qin.) as he was the first Chinese sovereign able to rule the whole country.
- Hannibal succeeds his brother-in-law as commander of Carthaginian Spain.
- Philip V becomes king of Macedonia.
- Gaius Flaminius builds a second racetrack for Rome, the Circus Flaminius.

**Deaths**

- Hasdrubal, Carthaginian general (assassination)