1756 in Wales

Events from the year 1756 in Wales.

Incumbents

 * Lord Lieutenant of North Wales (Lord Lieutenant of Anglesey, Caernarvonshire, Flintshire, Merionethshire, Montgomeryshire) – George Cholmondeley, 3rd Earl of Cholmondeley
 * Lord Lieutenant of Glamorgan – Other Windsor, 4th Earl of Plymouth
 * Lord Lieutenant of Brecknockshire and Lord Lieutenant of Monmouthshire – Thomas Morgan
 * Lord Lieutenant of Cardiganshire – Wilmot Vaughan, 3rd Viscount Lisburne
 * Lord Lieutenant of Carmarthenshire – George Rice
 * Lord Lieutenant of Denbighshire – Richard Myddelton
 * Lord Lieutenant of Pembrokeshire – Sir William Owen, 4th Baronet
 * Lord Lieutenant of Radnorshire – William Perry (until 13 January); Howell Gwynne (from 13 January)
 * Bishop of Bangor – Zachary Pearce (until 4 June); John Egerton (from 4 July)
 * Bishop of Llandaff – Richard Newcome
 * Bishop of St Asaph – Robert Hay Drummond
 * Bishop of St Davids – Anthony Ellys

Events

 * 5 January – An article appears in The New York Mercury, criticising the work of Lewis Evans in identifying boundaries in his General Map of the Middle British Colonies in America.
 * Spring – Completion of Britain's longest single-span bridge (at this date), William Edwards' Old Bridge, Pontypridd, over the River Taff, at the third (or fourth) attempt.
 * Lewis Morris loses his post as collector of tolls at Aberdyfi.

New books

 * Hugh Hughes – Cywydd Galarnadd am ynys Minorca...
 * Sion Kadwaladr – Einion a Gwenllian

Music

 * Elis Roberts – "Argulus"

Births

 * January – Richard Griffiths, industrial pioneer who opened up transport links into the Rhondda (died 1826)
 * 7 June – Edward Davies ("Celtic" Davies), writer (died 1831)
 * 23 June – Thomas Jones, mathematician (died 1807)
 * 4 July – John Evans, surgeon and cartographer (died 1846)
 * 18 November – Thomas Burgess, Bishop of St David's (died 1837)
 * date unknown
 * Thomas Jones of Denbigh, minister and author (died 1820)
 * Simon Lloyd, Methodist preacher (died 1836)

Deaths

 * 12 June – Lewis Evans, surveyor, 56?
 * 5 August – Sir George Wynne, 1st Baronet, landowner and politician, 56
 * 14 September – William Parry, antiquarian and fellow of Jesus College, Oxford, 69
 * 23 September – John Talbot, judge and MP for Brecon, about 43/44
 * 28 October – Charles Somerset, 4th Duke of Beaufort, 47