| Millennium: | 1st millennium |
|---|---|
| Centuries: | 7th century – 8th century – 9th century |
| Decades: | 750s 760s 770s – 780s – 790s 800s 810s |
| Years: | 781 782 783 – 784 – 785 786 787 |
| 784 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 784 DCCLXXXIV |
| Ab urbe condita | 1537 |
| Armenian calendar | 233 ԹՎ ՄԼԳ |
| Bahá'í calendar | -1060 – -1059 |
| Bengali calendar | 191 |
| Berber calendar | 1734 |
| Buddhist calendar | 1328 |
| Burmese calendar | 146 |
| Byzantine calendar | 6292 – 6293 |
| Chinese calendar | 癸亥年十二月初四日 (3420/3480-12-4) — to —
甲子年十一月十五日(3421/3481-11-15) |
| Coptic calendar | 500 – 501 |
| Ethiopian calendar | 776 – 777 |
| Hebrew calendar | 4544 – 4545 |
| Hindu calendars | |
| - Bikram Samwat | 840 – 841 |
| - Shaka Samvat | 706 – 707 |
| - Kali Yuga | 3885 – 3886 |
| Holocene calendar | 10784 |
| Iranian calendar | 162 – 163 |
| Islamic calendar | 167 – 168 |
| Japanese calendar | |
| Korean calendar | 3117 |
| Thai solar calendar | 1327 |
Vergilius of Salzburg