| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 190s 200s 210s – 220s – 230s 240s 250s |
| Years: | 224 225 226 – 227 – 228 229 230 |
| 227 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 227 CCXXVII |
| Ab urbe condita | 980 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1617 – -1616 |
| Bengali calendar | -366 |
| Berber calendar | 1177 |
| Buddhist calendar | 771 |
| Burmese calendar | -411 |
| Byzantine calendar | 5735 – 5736 |
| Chinese calendar | 丙午年十一月廿六日 (2863/2923-11-26) — to —
丁未年十二月初六日(2864/2924-12-6) |
| Coptic calendar | -57 – -56 |
| Ethiopian calendar | 219 – 220 |
| Hebrew calendar | 3987 – 3988 |
| Hindu calendars | |
| - Bikram Samwat | 283 – 284 |
| - Shaka Samvat | 149 – 150 |
| - Kali Yuga | 3328 – 3329 |
| Holocene calendar | 10227 |
| Iranian calendar | 395 BP – 394 BP |
| Islamic calendar | 407 BH – 406 BH |
| Japanese calendar | |
| Korean calendar | 2560 |
| Thai solar calendar | 770 |