781

Millennium: 1st millennium
Centuries:
Decades:
Years:
781 in various calendars
Gregorian calendar781
DCCLXXXI
Ab urbe condita1534
Armenian calendar230
ԹՎ ՄԼ
Assyrian calendar5531
Balinese saka calendar702–703
Bengali calendar188
Berber calendar1731
Buddhist calendar1325
Burmese calendar143
Byzantine calendar6289–6290
Chinese calendar庚申年 (Metal Monkey)
3478 or 3271
    — to —
辛酉年 (Metal Rooster)
3479 or 3272
Coptic calendar497–498
Discordian calendar1947
Ethiopian calendar773–774
Hebrew calendar4541–4542
Hindu calendars
 - Vikram Samvat837–838
 - Shaka Samvat702–703
 - Kali Yuga3881–3882
Holocene calendar10781
Iranian calendar159–160
Islamic calendar164–165
Japanese calendarHōki 12 / Ten'ō 1
(天応元年)
Javanese calendar676–677
Julian calendar781
DCCLXXXI
Korean calendar3114
Minguo calendar1131 before ROC
民前1131年
Nanakshahi calendar−687
Seleucid era1092/1093 AG
Thai solar calendar1323–1324
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
Coronation of Louis the Pious as sub-king of Italy and Aquitaine by pope Adrian I

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.