| Millennium: | 1st millennium |
|---|---|
| Centuries: | 7th century – 8th century – 9th century |
| Decades: | 760s 770s 780s – 790s – 800s 810s 820s |
| Years: | 788 789 790 – 791 – 792 793 794 |
| 791 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 791 DCCXCI |
| Ab urbe condita | 1544 |
| Armenian calendar | 240 ԹՎ ՄԽ |
| Bahá'í calendar | -1053 – -1052 |
| Bengali calendar | 198 |
| Berber calendar | 1741 |
| Buddhist calendar | 1335 |
| Burmese calendar | 153 |
| Byzantine calendar | 6299 – 6300 |
| Chinese calendar | 庚午年十一月廿二日 (3427/3487-11-22) — to —
辛未年十二月初二日(3428/3488-12-2) |
| Coptic calendar | 507 – 508 |
| Ethiopian calendar | 783 – 784 |
| Hebrew calendar | 4551 – 4552 |
| Hindu calendars | |
| - Bikram Samwat | 847 – 848 |
| - Shaka Samvat | 713 – 714 |
| - Kali Yuga | 3892 – 3893 |
| Holocene calendar | 10791 |
| Iranian calendar | 169 – 170 |
| Islamic calendar | 174 – 175 |
| Japanese calendar | |
| Korean calendar | 3124 |
| Thai solar calendar | 1334 |