1781 - Simple English Wikipedia, the free encyclopedia

Millennium: 2nd millennium
Centuries: 17th century18th century19th century
Decades: 1750s  1760s  1770s  – 1780s –  1790s  1800s  1810s
Years: 1778 1779 178017811782 1783 1784
1781 in other calendars
Gregorian calendar1781
MDCCLXXXI
Ab urbe condita2534
Armenian calendar1230
ԹՎ ՌՄԼ
Assyrian calendar6531
Balinese saka calendar1702–1703
Bengali calendar1188
Berber calendar2731
British Regnal year21 Geo. 3 – 22 Geo. 3
Buddhist calendar2325
Burmese calendar1143
Byzantine calendar7289–7290
Chinese calendar庚子(Metal Rat)
4477 or 4417
    — to —
辛丑年 (Metal Ox)
4478 or 4418
Coptic calendar1497–1498
Discordian calendar2947
Ethiopian calendar1773–1774
Hebrew calendar5541–5542
Hindu calendars
 - Vikram Samvat1837–1838
 - Shaka Samvat1702–1703
 - Kali Yuga4881–4882
Holocene calendar11781
Igbo calendar781–782
Iranian calendar1159–1160
Islamic calendar1195–1196
Japanese calendarAn'ei 10 / Tenmei 1
(天明元年)
Javanese calendar1706–1707
Julian calendarGregorian minus 11 days
Korean calendar4114
Minguo calendar131 before ROC
民前131年
Nanakshahi calendar313
Thai solar calendar2323–2324
Tibetan calendar阳金鼠年
(male Iron-Rat)
1907 or 1526 or 754
    — to —
阴金牛年
(female Iron-Ox)
1908 or 1527 or 755

1781 (MDCCLXXXI) was a common year starting on Monday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1781st year of the Common Era (CE) and Anno Domini (AD) designations, the 781st year of the 2nd millennium, the 81st year of the 18th century, and the 2nd year of the 1780s decade. As of the start of 1781, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.