| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 781 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 781 BC DCCLXXXI BC |
| Ancient Egypt era | XXIII dynasty, 100 |
| Ancient Greek era | 5 before 1st Olympiad |
| Assyrian calendar | 3970 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1373 |
| Berber calendar | 170 |
| Buddhist calendar | −236 |
| Burmese calendar | −1418 |
| Byzantine calendar | 4728–4729 |
| Chinese calendar | 己未年 (Earth Goat) 1917 or 1710 — to — 庚申年 (Metal Monkey) 1918 or 1711 |
| Coptic calendar | −1064 – −1063 |
| Discordian calendar | 386 |
| Ethiopian calendar | −788 – −787 |
| Hebrew calendar | 2980–2981 |
| Hindu calendars | |
| - Vikram Samvat | −724 – −723 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2320–2321 |
| Holocene calendar | 9220 |
| Iranian calendar | 1402 BP – 1401 BP |
| Islamic calendar | 1445 BH – 1444 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1553 |
| Minguo calendar | 2692 before ROC 民前2692年 |
| Nanakshahi calendar | −2248 |
| Thai solar calendar | −238 – −237 |
| Tibetan calendar | 阴土羊年 (female Earth-Goat) −654 or −1035 or −1807 — to — 阳金猴年 (male Iron-Monkey) −653 or −1034 or −1806 |