1840s in Wales
| 1830s | 1850s | Other years in Wales |
| Other events of the decade |
This article is about the particular significance of the decade 1840–1849 to Wales and its people.
Events
Arts and literature
New books
English language
- Anne Beale — Traits and Stories of the Welsh Peasantry
- John Hughes — The Self-Searcher
- John Jenkins — National Education
- Samuel Lewis — Topographical Dictionary of Wales
- John Lloyd
- *Poems
- *The English Country Gentleman
- Richard Williams Morgan — Maynooth and St. Asaph
- Edward Parry — Railway Companion from Chester to Holyhead
- Thomas Stephens — ''The Literature of the Kymry''
Welsh language
- Robert Elis (Cynddelw) — Yr Adgyfodiad
- Morris Williams (Nicander)
- *Y Flwyddyn Eglwysig
- *''Llyfr yr Homiliau''
Music
- Rosser Beynon — Telyn Seion
- John Ambrose Lloyd — Y Ganaan Glyd
- Rowland Prichard — Cyfaill y Cantorion
- Robert Herbert Williams — ''Alawydd Trefriw''