| Millennium: | 1st millennium |
|---|---|
| Centuries: |
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| Decades: |
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| Years: |
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| 781 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 781 DCCLXXXI |
| Ab urbe condita | 1534 |
| Armenian calendar | 230 ԹՎ ՄԼ |
| Assyrian calendar | 5531 |
| Balinese saka calendar | 702–703 |
| Bengali calendar | 188 |
| Berber calendar | 1731 |
| Buddhist calendar | 1325 |
| Burmese calendar | 143 |
| Byzantine calendar | 6289–6290 |
| Chinese calendar | 庚申年 (Metal Monkey) 3478 or 3271 — to — 辛酉年 (Metal Rooster) 3479 or 3272 |
| Coptic calendar | 497–498 |
| Discordian calendar | 1947 |
| Ethiopian calendar | 773–774 |
| Hebrew calendar | 4541–4542 |
| Hindu calendars | |
| - Vikram Samvat | 837–838 |
| - Shaka Samvat | 702–703 |
| - Kali Yuga | 3881–3882 |
| Holocene calendar | 10781 |
| Iranian calendar | 159–160 |
| Islamic calendar | 164–165 |
| Japanese calendar | Hōki 12 / Ten'ō1 (天応元年) |
| Javanese calendar | 676–677 |
| Julian calendar | 781 DCCLXXXI |
| Korean calendar | 3114 |
| Minguo calendar | 1131 before ROC 民前1131年 |
| Nanakshahi calendar | −687 |
| Seleucid era | 1092/1093 AG |
| Thai solar calendar | 1323–1324 |
| Tibetan calendar | 阳金猴年 (male Iron-Monkey) 907 or 526 or −246 — to — 阴金鸡年 (female Iron-Rooster) 908 or 527 or −245 |
Year 781 (DCCLXXXI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 781 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.
