| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 800s 810s 820s – 830s – 840s 850s 860s |
| Years: | 831 832 833 – 834 – 835 836 837 |
| 834 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 834 DCCCXXXIV |
| Ab urbe condita | 1587 |
| Armenian calendar | 283 ԹՎ ՄՁԳ |
| Bahá'í calendar | -1010 – -1009 |
| Bengali calendar | 241 |
| Berber calendar | 1784 |
| Buddhist calendar | 1378 |
| Burmese calendar | 196 |
| Byzantine calendar | 6342 – 6343 |
| Chinese calendar | 癸丑年十一月十八日 (3470/3530-11-18) — to —
甲寅年十一月廿八日(3471/3531-11-28) |
| Coptic calendar | 550 – 551 |
| Ethiopian calendar | 826 – 827 |
| Hebrew calendar | 4594 – 4595 |
| Hindu calendars | |
| - Bikram Samwat | 890 – 891 |
| - Shaka Samvat | 756 – 757 |
| - Kali Yuga | 3935 – 3936 |
| Holocene calendar | 10834 |
| Iranian calendar | 212 – 213 |
| Islamic calendar | 218 – 219 |
| Japanese calendar | |
| Korean calendar | 3167 |
| Thai solar calendar | 1377 |