1780(MDCCLXXX) was aleap year starting on Saturdayof theGregorian calendarand aleap year starting on Wednesdayof theJulian calendar,the 1780th year of theCommon Era(CE) andAnno Domini(AD) designations, the 780th year of the2nd millennium,the 80th year of the18th century,and the 1st year of the1780sdecade. As of the start of 1780, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium: 2nd millennium
Centuries:
Decades:
Years:
September 21: American Major GeneralBenedict Arnold,commander of West Point, commits treason by supplying information to Britain's MajorJohn Andre.
1780 in variouscalendars
Gregorian calendar1780
MDCCLXXX
Ab urbe condita2533
Armenian calendar1229
ԹՎ ՌՄԻԹ
Assyrian calendar6530
Balinese saka calendar1701–1702
Bengali calendar1187
Berber calendar2730
British Regnal year20Geo. 3– 21Geo. 3
Buddhist calendar2324
Burmese calendar1142
Byzantine calendar7288–7289
Chinese calendarMình hợiNăm (EarthPig)
4477 or 4270
— to —
Canh tử năm (MetalRat)
4478 or 4271
Coptic calendar1496–1497
Discordian calendar2946
Ethiopian calendar1772–1773
Hebrew calendar5540–5541
Hindu calendars
-Vikram Samvat1836–1837
-Shaka Samvat1701–1702
-Kali Yuga4880–4881
Holocene calendar11780
Igbo calendar780–781
Iranian calendar1158–1159
Islamic calendar1193–1195
Japanese calendarAn'ei9
( an vĩnh 9 năm )
Javanese calendar1705–1706
Julian calendarGregorian minus 11 days
Korean calendar4113
Minguo calendar132 beforeROC
Dân trước 132 năm
Nanakshahi calendar312
Thai solar calendar2322–2323
Tibetan calendarÂm thổ heo năm
(female Earth-Pig)
1906 or 1525 or 753
— to —
Dương kim chuột năm
(male Iron-Rat)
1907 or 1526 or 754
May 29:Waxhaw Massacrein America.

Events

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January–March

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April–June

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July–September

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October–December

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Date unknown

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Births

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Carl von Clausewitz

Date unknown

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Deaths

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Thomas Hutchinson
William Blackstone
EmpressMaria Theresa of Austria

References

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  1. ^Lossing, Benson John; Wilson, Woodrow, eds. (1910).Harper's Encyclopaedia of United States History from 458 A.D. to 1909.New York: Harper & Brothers. p. 166.
  2. ^abFerguson, Russell J. (1938).Early Western Pennsylvania Politics.p. 34.
  3. ^Williams, Hywel (2005).Cassell's Chronology of World History.London: Weidenfeld & Nicolson. pp.333.ISBN0-304-35730-8.
  4. ^abPenguin Pocket On This Day.Penguin Reference Library. 2006.ISBN0-14-102715-0.
  5. ^Facts for the Times: Containing Historical Extracts, Candid Admissions, and Important Testimony from Eminent Authors, Ancient and Modern on the Leading Topics of the Scriptures and Signs of the Times.Review and Herald Publishing. 1893. p. 66.
  6. ^Juster, Susan (2010).Doomsayers: Anglo-American Prophecy in the Age of Revolution.University of Pennsylvania Press. p. 223.
  7. ^"Timeline of the American Revolutionary War".Independence Hall. Archived fromthe originalon May 30, 2007.RetrievedJune 1,2007.
  8. ^Hattendorf, John (2000).Naval policy and strategy in the Mediterranean: past, present, and future.Taylor & Francis. p. 37.ISBN0-7146-8054-0.
  9. ^Harbron, John (1988).Trafalgar and the Spanish Navy.Conway Maritime Press. p. 84.ISBN0-85177-477-6.
  10. ^Walford, Cornelius, ed. (1876). "Fires, Great".The Insurance Cyclopeadia: Being an Historical Treasury of Events and Circumstances Connected with the Origin and Progress of Insurance.C. and E. Layton. p. 59.
  11. ^Edler, Friedrich (2001) [1911].The Dutch Republic and The American Revolution.Honolulu: University Press of the Pacific. pp. 163–166.ISBN0-89875-269-8.
  12. ^Hannan, Caryn (January 1, 2008).Connecticut Biographical Dictionary.State History Publications. pp. 59–61.ISBN978-1-878592-59-0.
  13. ^Lala, Tașcu (February 2, 2022)."Mihail G. Boiagi (03.02.1780 - 1828)"(in Aromanian).Radio Romania International.Archived fromthe originalon March 29, 2024.
  14. ^"Shere-e-Punjab Maharaja Ranjit Singh (1780-1839 AD) (A brief account)".Chandigarh: Institute of Sikh Studies.RetrievedOctober 10,2012.
  15. ^"Sir James Steuart Denham, 4th Baronet | Scottish economist | Britannica".britannica.RetrievedMay 31,2022.
  16. ^"Maria Theresa | Biography, Facts, Accomplishments, & Children | Britannica".britannica.RetrievedMay 4,2022.

Further reading

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