| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 830s 840s 850s – 860s – 870s 880s 890s |
| Years: | 860 861 862 – 863 – 864 865 866 |
| 863 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 863 DCCCLXIII |
| Ab urbe condita | 1616 |
| Armenian calendar | 312 ԹՎ ՅԺԲ |
| Bahá'í calendar | -981 – -980 |
| Bengali calendar | 270 |
| Berber calendar | 1813 |
| Buddhist calendar | 1407 |
| Burmese calendar | 225 |
| Byzantine calendar | 6371 – 6372 |
| Chinese calendar | 壬午年十二月初八日 (3499/3559-12-8) — to —
癸未年十一月十七日(3500/3560-11-17) |
| Coptic calendar | 579 – 580 |
| Ethiopian calendar | 855 – 856 |
| Hebrew calendar | 4623 – 4624 |
| Hindu calendars | |
| - Bikram Samwat | 919 – 920 |
| - Shaka Samvat | 785 – 786 |
| - Kali Yuga | 3964 – 3965 |
| Holocene calendar | 10863 |
| Iranian calendar | 241 – 242 |
| Islamic calendar | 248 – 249 |
| Japanese calendar | |
| Korean calendar | 3196 |
| Thai solar calendar | 1406 |