| Millennium: | 1st millennium |
|---|---|
| Centuries: | 7th century – 8th century – 9th century |
| Decades: | 760s 770s 780s – 790s – 800s 810s 820s |
| Years: | 787 788 789 – 790 – 791 792 793 |
| 790 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 790 DCCXC |
| Ab urbe condita | 1543 |
| Armenian calendar | 239 ԹՎ ՄԼԹ |
| Assyrian calendar | 5540 |
| Bahá'í calendar | -1054–-1053 |
| Bengali calendar | 197 |
| Berber calendar | 1740 |
| English Regnal year | N/A |
| Buddhist calendar | 1334 |
| Burmese calendar | 152 |
| Byzantine calendar | 6298–6299 |
| Chinese calendar | 己巳年十二月十二日 (3426/3486-12-12) — to —
庚午年十一月廿一日(3427/3487-11-21) |
| Coptic calendar | 506–507 |
| Ethiopian calendar | 782–783 |
| Hebrew calendar | 4550–4551 |
| Hindu calendars | |
| - Vikram Samvat | 846–847 |
| - Shaka Samvat | 712–713 |
| - Kali Yuga | 3891–3892 |
| Holocene calendar | 10790 |
| Iranian calendar | 168–169 |
| Islamic calendar | 173–174 |
| Japanese calendar | |
| Korean calendar | 3123 |
| Minguo calendar | 1122 before ROC 民前1122年 |
| Thai solar calendar | 1333 |
Year 790 (DCCXC) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 790 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.