| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 200s 210s 220s – 230s – 240s 250s 260s |
| Years: | 230 231 232 – 233 – 234 235 236 |
| 233 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 233 CCXXXIII |
| Ab urbe condita | 986 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1611 – -1610 |
| Bengali calendar | -360 |
| Berber calendar | 1183 |
| Buddhist calendar | 777 |
| Burmese calendar | -405 |
| Byzantine calendar | 5741 – 5742 |
| Chinese calendar | 壬子年十二月初三日 (2869/2929-12-3) — to —
癸丑年十一月十三日(2870/2930-11-13) |
| Coptic calendar | -51 – -50 |
| Ethiopian calendar | 225 – 226 |
| Hebrew calendar | 3993 – 3994 |
| Hindu calendars | |
| - Vikram Samvat | 288 – 289 |
| - Shaka Samvat | 155 – 156 |
| - Kali Yuga | 3334 – 3335 |
| Holocene calendar | 10233 |
| Iranian calendar | 389 BP – 388 BP |
| Islamic calendar | 401 BH – 400 BH |
| Japanese calendar | |
| Korean calendar | 2566 |
| Thai solar calendar | 776 |
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