| Centuries: | 4th century · 5th century · 6th century |
| Decades: | 400s 410s 420s 430s 440s 450s 460s |
| Years: | 431 432 433 434 435 436 437 |
| 434 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 434 CDXXXIV |
| Ab urbe condita | 1187 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1410 – -1409 |
| Bengali calendar | -159 |
| Berber calendar | 1384 |
| Buddhist calendar | 978 |
| Burmese calendar | -204 |
| Byzantine calendar | 5942 – 5943 |
| Chinese calendar | 癸酉年十二月初六日 (3070/3130-12-6) — to —
甲戌年十一月十五日(3071/3131-11-15) |
| Coptic calendar | 150 – 151 |
| Ethiopian calendar | 426 – 427 |
| Hebrew calendar | 4194 – 4195 |
| Hindu calendars | |
| - Bikram Samwat | 490 – 491 |
| - Shaka Samvat | 356 – 357 |
| - Kali Yuga | 3535 – 3536 |
| Holocene calendar | 10434 |
| Iranian calendar | 188 BP – 187 BP |
| Islamic calendar | 194 BH – 193 BH |
| Japanese calendar | |
| Korean calendar | 2767 |
| Thai solar calendar | 977 |