Millennium: 2nd millennium
Centuries: 17th century · 18th century · 19th century
Decades: 1750s · 1760s · 1770s · 1780s · 1790s · 1800s · 1810s
Years: 1777 · 1778 · 1779 · 1780 · 1781 · 1782 · 1783
1780 by topic:
Arts and Sciences
ArchaeologyArchitectureArtLiterature (Poetry) – MusicScience
CanadaDenmarkFranceGreat BritainIrelandNorwayRussiaScotlandSwedenUnited States
Lists of leaders
Colonial governorsState leaders
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments
Works category
1780 in various calendars
Gregorian calendar1780
Ab urbe condita2533
Armenian calendar1229
Assyrian calendar6530
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
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
Wikimedia Commons has media related to 1780.

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. As of the start of 1780, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1918.



May 29: Waxhaw Massacre in America.


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Final volume, Diderot Encyclopédie.


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  7. "Shere-e-Punjab Maharaja Ranjit Singh (1780-1839 AD) (A brief account)". Chandigarh: Institute of Sikh Studies. Retrieved 2012-10-10.

Further reading

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