| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 790s 800s 810s – 820s – 830s 840s 850s |
| Years: | 826 827 828 – 829 – 830 831 832 |
| 829 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 829 DCCCXXIX |
| Ab urbe condita | 1582 |
| Armenian calendar | 278 ԹՎ ՄՀԸ |
| Bahá'í calendar | -1015 – -1014 |
| Bengali calendar | 236 |
| Berber calendar | 1779 |
| Buddhist calendar | 1373 |
| Burmese calendar | 191 |
| Byzantine calendar | 6337 – 6338 |
| Chinese calendar | 戊申年十一月廿二日 (3465/3525-11-22) — to —
己酉年十二月初二日(3466/3526-12-2) |
| Coptic calendar | 545 – 546 |
| Ethiopian calendar | 821 – 822 |
| Hebrew calendar | 4589 – 4590 |
| Hindu calendars | |
| - Bikram Samwat | 885 – 886 |
| - Shaka Samvat | 751 – 752 |
| - Kali Yuga | 3930 – 3931 |
| Holocene calendar | 10829 |
| Iranian calendar | 207 – 208 |
| Islamic calendar | 213 – 214 |
| Japanese calendar | |
| Korean calendar | 3162 |
| Thai solar calendar | 1372 |