1823 in Wales

This article is about the particular significance of the year 1823 to Wales and its people.

Incumbents

13 January – Edward Paget, former MP for Caernarvon, is appointed Commander-in-Chief of British forces in India.
23 January – In Paviland Cave on the Gower Peninsula, William Buckland inspects the "Red Lady of Paviland", the first identification of a prehistoric human burial.
February
*John Frost is sentenced to six months in prison for a libel against the town clerk of Newport.
*Mercy Whitney describes the burial, in Hawaii, of the infant son of Isaac and Elizabeth Peke Davis: "A regular procession of two and two followed the corpse. Going into the fort in which the grave was dug seemed like entering a burying ground, more so than anything I have witnessed since I left America."
4 March – Llanuwchllyn-born John Richards is elected to the United States Congress.
26 March – The packet ship Alert sinks off The Skerries, Isle of Anglesey, with the loss of a hundred lives.
Summer – Stanley Embankment completed by Thomas Telford carrying the Holyhead road between Anglesey and Holy Island.
23 August – A major eisteddfod is held at Mold.
unknown date
*The Welsh Literary Society of Brecon is established by Thomas Price (Carnhuanawc).
*The Presbyterian Church of Wales draws up a "Confession of Faith" and becomes a separate body.
*The Caergwrle Bowl, a decorated Middle Bronze Age artefact, is discovered.