222 BC
| Years |
|---|
| Millennium |
| 1st millennium BC |
| Centuries |
| Decades |
| Years |
Events
[change | change source]By place
[change | change source]Greece
[change | change source]- Cleomenes III is defeated and the Spartan army annihilated by the Achaean League and the Macedonians in the Battle of Sellasia.
- Ptolemy IV succeeds his father Ptolemy III as king of Egypt.
Rome
[change | change source]- Marcus Claudius Marcellus leads the Romans to victory in the Battle of Clastidium, conquering the area later known as Cisalpine Gaul.
- The Romans capture Milan.
Asia
[change | change source]- State of Qin conquers the state of Yan and defeats the last defensive forces of the state of Zhao in China .
Deaths
[change | change source]- Ptolemy III Euergeter I, king of Egypt
- Ctesibius, mathematician