| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 800s 810s 820s – 830s – 840s 850s 860s |
| Years: | 827 828 829 – 830 – 831 832 833 |
| 830 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 830 DCCCXXX |
| Ab urbe condita | 1583 |
| Armenian calendar | 279 ԹՎ ՄՀԹ |
| Bahá'í calendar | -1014 – -1013 |
| Bengali calendar | 237 |
| Berber calendar | 1780 |
| Buddhist calendar | 1374 |
| Burmese calendar | 192 |
| Byzantine calendar | 6338 – 6339 |
| Chinese calendar | 己酉年十二月初三日 (3466/3526-12-3) — to —
庚戌年十二月十三日(3467/3527-12-13) |
| Coptic calendar | 546 – 547 |
| Ethiopian calendar | 822 – 823 |
| Hebrew calendar | 4590 – 4591 |
| Hindu calendars | |
| - Bikram Samwat | 886 – 887 |
| - Shaka Samvat | 752 – 753 |
| - Kali Yuga | 3931 – 3932 |
| Holocene calendar | 10830 |
| Iranian calendar | 208 – 209 |
| Islamic calendar | 214 – 215 |
| Japanese calendar | |
| Korean calendar | 3163 |
| Thai solar calendar | 1373 |