| Centuries: | 4th century BC - 3rd century BC - 2nd century BC |
| Decades: | 250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC
|
| Years: | 232 BC 231 BC 230 BC - 229 BC - 228 BC 227 BC 226 BC |
| 229 BC by topic | |
| Politics | |
| State leaders - Sovereign states | |
| Birth and death categories | |
| Births - Deaths | |
| Establishments and disestablishments categories | |
| - | |
| Gregorian calendar | 229 BC |
| Ab urbe condita | 525 |
| Armenian calendar | N/A |
| Bahá'í calendar | -2072 – -2071 |
| Berber calendar | 722 |
| Buddhist calendar | 316 |
| Burmese calendar | -866 |
| Chinese calendar | 2408/2468 ([[Sexagenary cycle|]]年) — to — 2409/2469([[Sexagenary cycle|]]年) |
| Coptic calendar | -512 – -511 |
| Ethiopian calendar | -236 – -235 |
| Hebrew calendar | 3532 – 3533 |
| Hindu calendars | |
| - Vikram Samvat | -173 – -172 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2873 – 2874 |
| Holocene calendar | 9772 |
| Iranian calendar | 850 BP – 849 BP |
| Islamic calendar | 876 BH – 875 BH |
| Japanese calendar | |
| - Imperial Year | Kōki 432 (皇紀432年) |
| Julian calendar | -183 |
| Korean calendar | 2105 |
| Thai solar calendar | 315 |
Events
By place
Greece
- The First Illyrian War starts when the Roman Senate dispatches an army under the command of the consuls Lucius Postumius Albinus and Gnaeus Fulvius Centumalus to Illyria. Rome forces the withdrawal of Illyrian garrisons in the Greek cities of Epidamnus, Apollonia, Corcyra and Pharos and establishes a protectorate over these Greek towns.
- The King of Macedonia, Demetrius II, dies. His nephew, Antigonus III comes to the Macedonian throne as regent for his half-cousin and the future king Philip V, who is only ten years old.
- Concerned at Rome's expansion, Antigonus III pursues a policy of befriending the Illyrians, even though the Greeks in the region support Rome in quelling the Illyrian pirates.
- The involvement of Rome in Illyria leads to the establishment of friendly relations between Rome and the enemies of Macedonia: the Aetolian League and Achaean League, which approve the suppression of Illyrian piracy.
- Aratus of Sicyon brings Argos into the Achaean League and then helps liberate Athens. This brings Aratus into conflict with Sparta.
China
- The state of Qin conquers the state of Zhao.
Births
- Lucius Aemilius Paullus Macedonicus, Roman general, consul and politician (d. 160 BC)
- Qin Er Shi, Emperor of Qin China (d. 207 BC)
Deaths
- Demetrius II, King of Macedonia from 239 BC (b. c. 276 BC)

