| Millennium: | 1st millennium |
|---|---|
| Centuries: | 7th century – 8th century – 9th century |
| Decades: | 750s 760s 770s – 780s – 790s 800s 810s |
| Years: | 780 781 782 – 783 – 784 785 786 |
| 783 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 783 DCCLXXXIII |
| Ab urbe condita | 1536 |
| Armenian calendar | 232 ԹՎ ՄԼԲ |
| Bahá'í calendar | -1061 – -1060 |
| Bengali calendar | 190 |
| Berber calendar | 1733 |
| Buddhist calendar | 1327 |
| Burmese calendar | 145 |
| Byzantine calendar | 6291 – 6292 |
| Chinese calendar | 壬戌年十一月廿四日 (3419/3479-11-24) — to —
癸亥年十二月初三日(3420/3480-12-3) |
| Coptic calendar | 499 – 500 |
| Ethiopian calendar | 775 – 776 |
| Hebrew calendar | 4543 – 4544 |
| Hindu calendars | |
| - Bikram Samwat | 839 – 840 |
| - Shaka Samvat | 705 – 706 |
| - Kali Yuga | 3884 – 3885 |
| Holocene calendar | 10783 |
| Iranian calendar | 161 – 162 |
| Islamic calendar | 166 – 167 |
| Japanese calendar | |
| Korean calendar | 3116 |
| Thai solar calendar | 1326 |