| Centuries: | 4th century · 5th century · 6th century |
| Decades: | 400s 410s 420s 430s 440s 450s 460s |
| Years: | 435 436 437 438 439 440 441 |
| 438 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 438 CDXXXVIII |
| Ab urbe condita | 1191 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1406 – -1405 |
| Bengali calendar | -155 |
| Berber calendar | 1388 |
| Buddhist calendar | 982 |
| Burmese calendar | -200 |
| Byzantine calendar | 5946 – 5947 |
| Chinese calendar | 丁丑年十一月二十日 (3074/3134-11-20) — to —
戊寅年十一月廿九日(3075/3135-11-29) |
| Coptic calendar | 154 – 155 |
| Ethiopian calendar | 430 – 431 |
| Hebrew calendar | 4198 – 4199 |
| Hindu calendars | |
| - Bikram Samwat | 494 – 495 |
| - Shaka Samvat | 360 – 361 |
| - Kali Yuga | 3539 – 3540 |
| Holocene calendar | 10438 |
| Iranian calendar | 184 BP – 183 BP |
| Islamic calendar | 190 BH – 189 BH |
| Japanese calendar | |
| Korean calendar | 2771 |
| Thai solar calendar | 981 |