This article is about the particular significance of the year 1780 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 Lord Lieutenant of Cardiganshire – Wilmot Vaughan, 1st Earl of Lisburne Lord Lieutenant of Carmarthenshire – Thomas Johnes (until 28 April); John Vaughan (from 28 April 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 January - Admiral Sir Thomas Foley plays an important role in the relief of Gibraltar. 1 July - Anthony Bacon acquires the lease of the Hirwaun ironworks. 26 August - Edward Williames Salusbury Vaughan succeeds to the Rûg estate. 29 September - Sir Watkin Lewes is elected Lord Mayor of London. unknown dates Thomas Parry Jones-Parry marries his cousin Margaret and acquires the Madryn estate. The Ladies of Llangollen settle at Plas Newydd. St David's Club established in Aberystwyth, the oldest gentlemen's club in Wales.Plaque on premises. Richard Price devises the "Northampton Tables" for calculating actuarial valuation for assurance and pensions. The development of Ebbw Vale Steelworks begins.
Arts and literature New books John Walters - Poems with Notes
Music Henry Mills of Llanidloes impresses Thomas Charles so much with his singing that he is appointed to supervise the improvement of congregational singing in the district.
Births 10 February - James Henry Cotton, Dean of Bangor (died 1862) 15 April - Angharad Llwyd, antiquary (died 1866) 14 May - Sir Thomas Frankland Lewis, politician (died 1855) 7 October - Wyndham Lewis, MP (died 1838) date unknown Dic Aberdaron (Richard Robert Jones), traveller and linguist (died 1843)Humphreys, H. The Celebrated Cambrian Linguist, or the History of Dick Aberdaron (Carnarvon: H. Humphreys, 1866). Thomas Prothero, lawyer and businessman (died 1853)
Deaths 6 March - Sir John Meredith, lawyer, 65 1 April - Sir Stephen Glynne, 7th Baronet, 35 (ruptured blood-vessel) May - Thomas Johnes, Lord Lieutenant of Carmarthenshire, about 59 date unknown Howell Gwynne, former MP and Lord Lieutenant of Radnorshire, 61/62 Richard Thomas, genealogist, 46
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