| Centuries: | 4th century · 5th century · 6th century |
| Decades: | 390s 400s 410s 420s 430s 440s 450s |
| Years: | 426 427 428 429 430 431 432 |
| 429 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 429 CDXXIX |
| Ab urbe condita | 1182 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1415 – -1414 |
| Bengali calendar | -164 |
| Berber calendar | 1379 |
| Buddhist calendar | 973 |
| Burmese calendar | -209 |
| Byzantine calendar | 5937 – 5938 |
| Chinese calendar | 戊辰年十一月初十日 (3065/3125-11-10) — to —
己巳年十一月二十日(3066/3126-11-20) |
| Coptic calendar | 145 – 146 |
| Ethiopian calendar | 421 – 422 |
| Hebrew calendar | 4189 – 4190 |
| Hindu calendars | |
| - Bikram Samwat | 485 – 486 |
| - Shaka Samvat | 351 – 352 |
| - Kali Yuga | 3530 – 3531 |
| Holocene calendar | 10429 |
| Iranian calendar | 193 BP – 192 BP |
| Islamic calendar | 199 BH – 198 BH |
| Japanese calendar | |
| Korean calendar | 2762 |
| Thai solar calendar | 972 |