Prince of Wales - George (later George IV)
Princess of Wales - vacant
25 December - Plymouth ironworks is leased to Richard Hill.
The Kinmel estate is sold to the Rev Edward Hughes.
Abraham Rees completes his edition of Chambers 's Encyclopaedia, and is elected a Fellow of the Royal Society in recognition of his work.
Charles Pratt is created Earl Camden.
David Samwell - A Narrative of the Death of Captain James Cook
Hester Lynch Piozzi - Anecdotes of the late Samuel Johnson, Ll.D., during the last twenty years of his life
Helen Maria Williams - Poems
William Ellis - Ychydig o Hymnau a Chaniadau Newyddion (collection of hymns)
Benjamin Francis - Aleluia (collection of hymns)
6 April - John Humffreys Parry, barrister and antiquary (died 1825)
May - John Jones, printer and inventor (died 1865)
22 June - Ellis Evans, minister and author (died 1864)
21 January - Anthony Bacon, ironmaster, 67
16 September - Edward Parry, poet and hymn-writer, 63
1786 in Wales Wikipedia
This article is about the particular significance of the year 1786 to Wales and its people.