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Millennium: 2nd millennium
1781 by topic:
Arts and Sciences
ArchaeologyArchitectureArtLiterature (Poetry) – MusicScience
AustriaCanadaDenmarkFranceGreat BritainIrelandNorwayRussiaScotlandSwedenUnited States
Lists of leaders
State leadersColonial governorsReligious leaders
Birth and death categories
Establishments and disestablishments categories
Works category
1781 in various calendars
Gregorian calendar 1781
Ab urbe condita 2534
Armenian calendar 1230
Assyrian calendar 6531
Balinese saka calendar 1702–1703
Bengali calendar 1188
Berber calendar 2731
British Regnal year 21 Geo. 3 – 22 Geo. 3
Buddhist calendar 2325
Burmese calendar 1143
Byzantine calendar 7289–7290
Chinese calendar 庚子(Metal Rat)
4477 or 4417
    — to —
辛丑年 (Metal Ox)
4478 or 4418
Coptic calendar 1497–1498
Discordian calendar 2947
Ethiopian calendar 1773–1774
Hebrew calendar 5541–5542
Hindu calendars
 - Vikram Samvat 1837–1838
 - Shaka Samvat 1702–1703
 - Kali Yuga 4881–4882
Holocene calendar 11781
Igbo calendar 781–782
Iranian calendar 1159–1160
Islamic calendar 1195–1196
Japanese calendar An'ei 10 / Tenmei 1
Javanese calendar 1706–1707
Julian calendar Gregorian minus 11 days
Korean calendar 4114
Minguo calendar 131 before ROC
Nanakshahi calendar 313
Thai solar calendar 2323–2324
Tibetan calendar 阳金鼠年
(male Iron-Rat)
1907 or 1526 or 754
    — to —
(female Iron-Ox)
1908 or 1527 or 755

1781 (MDCCLXXXI) was a common year starting on Monday (dominical letter G) of the Gregorian calendar and a common year starting on Friday (dominical letter C) 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.



March 13: Uranus discovered [image in false color].


Date unknown


date unknown



  1. ^ Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 333–334. ISBN 0-304-35730-8. 
  2. ^ Penguin Pocket On This Day. Penguin Reference Library. 2006. ISBN 0-14-102715-0. 
  3. ^ "BBC History British History Timeline". Archived from the original on September 9, 2007. Retrieved 2007-09-03. 
  4. ^ "History & Facts". Washington & Jefferson College. Archived from the original on July 29, 2011. 

Further reading

  • John Blair; J. Willoughby Rosse (1856). "1781". Blair's Chronological Tables. London: H.G. Bohn – via Hathi Trust. 
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