Events from the year 1755 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
Bishop of Bangor – Zachary Pearce
Bishop of Llandaff – Edward Cresset (until 13 February); Richard Newcome (from 13 April) Bishop of St Asaph – Robert Hay Drummond Bishop of St Davids – Anthony Ellys
Events
Following the death of his wife in this year, Griffith Jones (Llanddowror) goes to live at the home of Madam Bridget Bevan. The Brecknockshire Agricultural Society is formed.
Arts and literature
New books
Rules of the Honourable Society of Cymmrodorion are published.
Music
Morgan Rhys - Golwg o Ben Nebo, ar Wlad yr Addewid (collection of hymns)
Births
22 February - Henry Nevill, 2nd Earl of Abergavenny (died 1843) 9 May - Wilmot Vaughan, 2nd Earl of Lisburne, owner of the Trawsgoed estate (died 1820) 5 July - Sarah Siddons, actress (d. 1831) 14 October - Thomas Charles of Bala, clergyman (died 1814) 21 October - Caleb Hillier Parry, Welsh-descended physician (died 1822) 18 November - Rev. William Jones (died 1821)