| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 770s 780s 790s – 800s – 810s 820s 830s |
| Years: | 805 806 807 – 808 – 809 810 811 |
| 808 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 808 DCCCVIII |
| Ab urbe condita | 1561 |
| Armenian calendar | 257 ԹՎ ՄԾԷ |
| Bahá'í calendar | -1036 – -1035 |
| Bengali calendar | 215 |
| Berber calendar | 1758 |
| Buddhist calendar | 1352 |
| Burmese calendar | 170 |
| Byzantine calendar | 6316 – 6317 |
| Chinese calendar | 丁亥年十一月三十日 (3444/3504-11-30) — to —
戊子年十二月十一日(3445/3505-12-11) |
| Coptic calendar | 524 – 525 |
| Ethiopian calendar | 800 – 801 |
| Hebrew calendar | 4568 – 4569 |
| Hindu calendars | |
| - Bikram Samwat | 864 – 865 |
| - Shaka Samvat | 730 – 731 |
| - Kali Yuga | 3909 – 3910 |
| Holocene calendar | 10808 |
| Iranian calendar | 186 – 187 |
| Islamic calendar | 192 – 193 |
| Japanese calendar | |
| Korean calendar | 3141 |
| Thai solar calendar | 1351 |