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| align="center" colspan=2 | Years:
1777 1778 1779 - 1780 - 1781 1782 1783
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| align="center" colspan=2 | 1760s 1770s - 1780s ''' - 1790s 1800s 1810s
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| align="center" | - 18th Century ''' - 19th Century
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1780 was a Leap Year Starting On Saturday (see link for calendar).
Events
Births
Deaths
- February 14 - William Blackstone , English jurist (b. 1723 )
- February 17 - Andreas Felix Von Oefele , German historian and librarian (b. 1706 )
- February 18 - Kristijonas Donelaitis , Lithuanian poet (b. 1714 )
- March 26 - Charles I, Duke Of Brunswick-Lüneburg (b. 1713 )
- May 18 - Charles Hardy , British governor of Newfoundland
- June 3 - Thomas Hutchinson , American colonial governor of Massachusetts (b. 1711 )
- July 4 - Prince Charles Alexander Of Lorraine , Austrian military leader (b. 1712 )
- July 14 - Charles Batteux , French philosopher (b. 1713 )
- August 3 - Étienne Bonnot De Condillac , French philosopher (b. 1715 )
- August 29 - Jacques-Germain Soufflot , French architect (b. 1713 )
- September 4 - John Fielding , English magistrate and social reformer (b. 1721 )
- September 8 - Enoch Poor , American Revolutionary general (b. 1736 )
- October 17 - William Cookworthy , English chemist (b. 1705 )
- November 26 - Sir James Denham Steuart, 4th Baronet , British economist (b. 1712 )
- November 29 - Empress Maria Theresa Of Austria (b. 1717 )
- December 26 - John Fothergill , English physician (b. 1712 )
- Thomas Dilworth , British cleric and writer
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