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From Wikipedia, the free encyclopedia

1780 in various calendars
Gregorian calendar1780
Ab urbe condita2533
Armenian calendar1229
Assyrian calendar6530
Balinese saka calendar1701–1702
Bengali calendar1187
Berber calendar2730
British Regnal year20 Geo. 3 – 21 Geo. 3
Buddhist calendar2324
Burmese calendar1142
Byzantine calendar7288–7289
Chinese calendar己亥(Earth Pig)
4476 or 4416
    — to —
庚子年 (Metal Rat)
4477 or 4417
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'ei 9
Javanese calendar1705–1706
Julian calendarGregorian minus 11 days
Korean calendar4113
Minguo calendar132 before ROC
Nanakshahi calendar312
Thai solar calendar2322–2323
Tibetan calendar阴土猪年
(female Earth-Pig)
1906 or 1525 or 753
    — to —
(male Iron-Rat)
1907 or 1526 or 754

1780 (MDCCLXXX) was a leap year starting on Saturday of the Gregorian calendar and a leap year starting on Wednesday of the Julian calendar, the 1780th year of the Common Era (CE) and Anno Domini (AD) designations, the 780th year of the 2nd millennium, the 80th year of the 18th century, and the 1st year of the 1780s decade. As of the start of 1780, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.

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Date unknown



  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. ^ a b Ferguson, Russell J. (1938). Early Western Pennsylvania Politics. p. 34.
  3. ^ Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 333. ISBN 0-304-35730-8.
  4. ^ a b Penguin Pocket On This Day. Penguin Reference Library. 2006. ISBN 0-14-102715-0.
  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 from the original on May 30, 2007. Retrieved June 1, 2007.
  8. ^ Hattendorf, John (2000). Naval policy and strategy in the Mediterranean: past, present, and future. Taylor & Francis. p. 37. ISBN 0-7146-8054-0.
  9. ^ Harbron, John (1988). Trafalgar and the Spanish Navy. Conway Maritime Press. p. 84. ISBN 0-85177-477-6.
  10. ^ "Fires, Great", in The Insurance Cyclopeadia: Being an Historical Treasury of Events and Circumstances Connected with the Origin and Progress of Insurance, Cornelius Walford, ed. (C. and E. Layton, 1876) p59
  11. ^ Edler, Friedrich (2001) [1911]. The Dutch Republic and The American Revolution. Honolulu: University Press of the Pacific. pp. 163–166. ISBN 0-89875-269-8.
  12. ^ "Shere-e-Punjab Maharaja Ranjit Singh (1780-1839 AD) (A brief account)". Chandigarh: Institute of Sikh Studies. Retrieved October 10, 2012.

Further reading

This page was last edited on 18 December 2019, at 01:27
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