1849 in Wales

Centuries:	17th; 18th; 19th; 20th; 21st;
Decades:	1820s; 1830s; 1840s; 1850s; 1860s;
See also:	List of years in Wales; 1849 in The United Kingdom Ireland Scotland

This article is about the particular significance of the year 1849 to Wales and its people.

Incumbent[]

2 January – Completion of both tubes of Robert Stephenson's Conwy Railway Bridge.
26 February – Halkyn-born Mormon missionary Dan Jones embarks with 249 Welsh converts to The Church of Jesus Christ of Latter-day Saints bound for Salt Lake City from Liverpool.^[1]
13 May – A case of cholera is recorded in Cardiff, the beginning of an outbreak that spreads to Merthyr, Dowlais and Aberdare, and kills 800 people.
20 June – First tube of Robert Stephenson's Britannia Bridge is floated into position on the Menai Strait.^[2]
10 August – Underground explosion at Lletty Shenkin colliery, Cwmbach, kills 52.^[3]
1 November – Alfred Ollivant becomes Bishop of Llandaff.
13 December – Foundation stone of Llandovery College is laid.
A temperance festival is held at Carmarthen.

Anne Beale – Traits and Stories of the Welsh Peasantry
Robert Elis (Cynddelw) – Yr Adgyfodiad
Lady Charlotte Guest concludes publication of her translation into English of the Mabinogion
– Y Gweithiwr Caniadgar
Rowland Hughes – Cyfarchiad Caredig i rai newydd ddychwelyd
John Jones (Talhaiarn) – Awdl y Greadigaeth
– The English Country Gentleman
Samuel Lewis – Topographical Dictionary of Wales
Thomas Stephens – The Literature of the Kymry

21 April – Sir , Lord Mayor of London (d. 1907)
2 May
- , educationist (d. 1905)
- Charles James Jackson, businessman and collector (d. 1923)

^ Williams, David (2009). "Jones, Daniel". Welsh Biography Online. Llyfrgell Genedlaethol Cymru. Retrieved 10 June 2014.
^ "Britannia Bridge". Engineering Timelines. Retrieved 10 June 2014.
^ "Death Roll – Lletty Shenkin Colliery". Welsh Coal Mines. Retrieved 21 May 2021.
^ Robert Thomas Jenkins. "Davies, James (1765-1849)". Dictionary of Welsh Biography. National Library of Wales. Retrieved 18 September 2019.
^ Williams, Griffith John. "Jacob Davies". Dictionary of Welsh Biography. National Library of Wales. Retrieved 23 May 2017.