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This article is about the year 1780.
Millennium: 2nd millennium
Centuries: 17th century18th century19th century
Decades: 1750s  1760s  1770s  – 1780s –  1790s  1800s  1810s
Years: 1777 1778 177917801781 1782 1783
1780 by topic:
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1780 (MDCCLXXX) was a leap year starting on Saturday (dominical letter BA) of the Gregorian calendar and a leap year starting on Wednesday (dominical letter ED) 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. Note that the Julian day for 1780 is 11 calendar days difference, which continued to be used from 1582 until the complete conversion of the Gregorian calendar was entirely done in 1929.




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Final volume, Diderot Encyclopédie.


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  2. 2.0 2.1 Penguin Pocket On This Day. Penguin Reference Library. 2006. ISBN 0-14-102715-0. 
  3. "Timeline of the American Revolutionary War". Independence Hall. Archived from the original on 30 May 2007. Retrieved 2007-06-01. 
  4. Hattendorf, John (2000). Naval policy and strategy in the Mediterranean: past, present, and future. Taylor & Francis. p. 37. ISBN 0-7146-8054-0. 
  5. Harbron, John (1988). Trafalgar and the Spanish Navy. Conway Maritime Press. p. 84. ISBN 0-85177-477-6. 
  6. 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. 
  7. "Shere-e-Punjab Maharaja Ranjit Singh (1780-1839 AD) (A brief account)". Chandigarh: Institute of Sikh Studies. Retrieved 2012-10-10. 

Further reading