- Source: 1781 in Wales
- George III dari Britania Raya
- Hubungan Britania Raya dengan Indonesia
- Wilayah Utara
- Arthur Aikin
- Gereja Katolik di Swedia
- Thomas Secker
- Sejarah Gereja Katolik
- Tata Surya
- Tuvalu
- Imperium Britania Raya
- 1781 in Wales
- HMS Agamemnon (1781)
- Charles III
- Catholic Church in England and Wales
- List of years in Wales
- List of governors of dependent territories in the 18th century
- Lucy Thomas (businesswoman)
- 1781 in Great Britain
- William Bligh
- Siege of Pensacola
This article is about the particular significance of the year 1781 to Wales and its people.
Incumbents
Lord Lieutenant of Anglesey - Sir Nicholas Bayly, 2nd Baronet
Lord Lieutenant of Brecknockshire and Monmouthshire – Charles Morgan of Dderw
Lord Lieutenant of Caernarvonshire - Thomas Wynn (until 27 December); Thomas Bulkeley, 7th Viscount Bulkeley (from 27 December)
Lord Lieutenant of Cardiganshire – Wilmot Vaughan, 1st Earl of Lisburne
Lord Lieutenant of Carmarthenshire – John Vaughan
Lord Lieutenant of Denbighshire - Richard Myddelton
Lord Lieutenant of Flintshire - Sir Roger Mostyn, 5th Baronet
Lord Lieutenant of Glamorgan – John Stuart, Lord Mountstuart
Lord Lieutenant of Merionethshire - Sir Watkin Williams-Wynn, 4th Baronet
Lord Lieutenant of Montgomeryshire – George Herbert, 2nd Earl of Powis
Lord Lieutenant of Pembrokeshire – Sir Hugh Owen, 5th Baronet
Lord Lieutenant of Radnorshire – Edward Harley, 4th Earl of Oxford and Earl Mortimer
Bishop of Bangor – John Moore
Bishop of Llandaff – Shute Barrington
Bishop of St Asaph – Jonathan Shipley
Bishop of St Davids – John Warren
Events
June - The Chancery court agrees the sale of the Kinmel estate to a London buyer.
Richard Price is made an honorary LL.D. by Yale University, in the company of George Washington.
Arts and literature
= New books
=Thomas Pennant - Tours in Wales, volume 2
= Music
=John Parry (harpist) - British Harmony, being a Collection of Antient Welsh Airs
Births
11 March (baptised) – Lucy Thomas, colliery owner ('The Mother of the Welsh Steam Coal Trade') (d. 1847)
?November - William Williams of Wern, Independent minister (d. 1840)
1 November – Robert Thomas, newspaper proprietor (died 1860 in Australia)
28 November – Love Jones-Parry, soldier, politician and High Sheriff of Anglesey (d. 1853)
Deaths
4 April – Henry Thrale, brewer, 556-57
7 May – Sir William Owen, 4th Baronet of Orielton, politician, 84
30 June – John Pettingall, Anglican clergyman and antiquarian, about 73
12 October – David Powell (Dewi Nantbrân), Franciscan friar and author