1721 in Wales
This article is about the particular significance of the year 1721 to Wales and its people.
Incumbents
- Lord Lieutenant of North Wales – Hugh Cholmondeley, 1st Earl of Cholmondeley
- Lord Lieutenant of Glamorgan – vacant until 1729
- Lord Lieutenant of Brecknockshire and Lord Lieutenant of Monmouthshire – Sir William Morgan of Tredegar
- Lord Lieutenant of Cardiganshire – John Vaughan, 1st Viscount Lisburne ; John Vaughan, 2nd Viscount Lisburne
- Lord Lieutenant of Carmarthenshire – vacant until 1755
- Lord Lieutenant of Pembrokeshire – Sir Arthur Owen, 3rd Baronet
- Lord Lieutenant of Radnorshire – Thomas Coningsby, 1st Earl Coningsby ;James Brydges, 1st Duke of Chandos
- Bishop of Bangor – Benjamin Hoadly ; Richard Reynolds
- Bishop of Llandaff – John Tyler
- Bishop of St Asaph – John Wynne
- Bishop of St Davids – Adam Ottley
Events
- 11 January – Printer Isaac Carter marries Ann Lewis at Cenarth.
- May – Prince William, the youngest child of the Prince and Princess of Wales, is taken ill with suspected smallpox; it turns out to be a false alarm, but inoculation becomes popular among aristocratic families as well as the royal family.
- 30 December – Bridget Vaughan marries Arthur Bevan, a barrister.
Arts and literature
New books
- Ellis Pugh – Annerch ir Cymru
- John Prichard Prys – ''Difyrwch Crefyddol''
Births
- 17 March – Jonathan Hughes, poet
- 30 November – John Egerton, bishop of Bangor
- date unknown – John Walters, lexicographer
- probable – Hugh Williams, Anglican priest and writer
Deaths
- 20 March – John Vaughan, 1st Viscount Lisburne, Lord Lieutenant of Cardiganshire and former MP for Cardiganshire, 53
- 8 July – Elihu Yale, American-born East India merchant and benefactor of Yale University, 72
- 28 July – Sir Edward Williams, MP, 61
- 3 September – Sir William Glynne, 2nd Baronet, 58
- 5 September – Thomas Edwards, orientalist, 69