1770 in Wales

Centuries:	16th; 17th; 18th; 19th; 20th;
Decades:	1750s; 1760s; 1770s; 1780s; 1790s;
See also:	List of years in Wales; 1770 in Great Britain Ireland Scotland

This article is about the particular significance of the year 1770 to Wales and its people.

Incumbent[]

September - Sir Watkin Williams-Wynn, 4th Baronet, holds his legendary coming-of-age party, to which 15,000 guests are invited. Three coachloads of cooks are sent from London to provide the refreshments, and a hall is built especially for the occasion at Wynnstay.^[1]
Approximate date - Bridge at Pontardawe built by William Edwards.

Robert Jones (Calvinistic Methodist) - Lleferydd yr Asyn^[2]
Thomas Meredith - An Illustration of Several Texts of Scripture
John Walters - A Dissertation on the Welsh Language
Sir John Wynn, 1st Baronet - History of the Gwydir Family (posthumously published)<ref">John Wynne (1 January 1878). History of the Gwydir family. Dalcassian Publishing Company. p. 5.</ref>

^ "Sir Watkin & The Arts - A Lifelong Obsession". Wrexham County Borough Council. Retrieved 1 April 2020.^{[permanent dead link]}
^ Branwen Jarvis; Dafydd Johnston (31 March 2000). A Guide to Welsh Literature: c. 1700-1800. University of Wales Press. p. 302. ISBN 978-0-7083-1482-1.
^ Archaeologia: Or, Miscellaneous Tracts, Relating to Antiquity. Society of Antiquaries of London. 1786. p. 28.
^ Williams, Griffith John. "Howel Davies". Dictionary of Welsh Biography. National Library of Wales. Retrieved 3 October 2018.
^ "Williams, Thomas (?-c.1770)". Dr Williams’s Centre for Dissenting Studies. 2011. Retrieved 21 December 2013.
^ Stephens, John. "Jones, John". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/15029. (Subscription or UK public library membership required.)