Events

• January 30 - Opening of the Menai Suspension Bridge
  Menai Suspension Bridge
  The Menai Suspension Bridge is a suspension bridge between the island of Anglesey and the mainland of Wales. Designed by Thomas Telford and completed in 1826, it was the first modern suspension bridge in the world.-Construction:...
  
  , designed by Thomas Telford
  Thomas Telford
  Thomas Telford FRS, FRSE was a Scottish civil engineer, architect and stonemason, and a noted road, bridge and canal builder.-Early career:...
  
  .
• July 1 - Opening of Telford's Conwy Suspension Bridge
  Conwy Suspension Bridge
  Conwy Suspension Bridge, was one of the first road suspension bridges in the world. Located in the medieval town of Conwy in Conwy county borough, North Wales, it is now only passable on foot. The bridge is now in the care of the National Trust...
  
  .
• The Calvinistic Methodist "connexion" produces its Constitutional Deed. It incorporates all property (such as chapels) as the property of the connexion as a whole.

New books

• Daniel Evans (Daniel Ddu o Geredigion)
  Daniel Evans (Daniel Ddu o Geredigion)
  Daniel Evans , better known by his pseudonym, Daniel Ddu o Geredigion, was a Welsh language poet.- Life :Evans was born at Maesymynach, a farm in the parish of Llanfihangel Ystrad, Cardiganshire. He was the second of three sons born to a farmer, David Evans...
  
   - Golwg ar Gyflwr yr Iddewon, Cerdd
• James Humphreys
  James Humphreys (lawyer)
  James Humphreys was a Welsh barrister, law reformer and legal writer. He was educated at Shrewsbury School and called to the bar in 1800 by Lincoln's Inn. Politically he was a Liberal. His major publication in the field of law reform was Observations on the Actual State of the English Laws of...
  
   - Observations on the Actual State of the English Laws of Real Property, with the outlines of a Code

Music

• May 24 - John Parry (Bardd Alaw) is given a benefit concert by the Society of Cymmrodorion.

Births

• January 13 - Henry Matthews, 1st Viscount Llandaff
  Henry Matthews, 1st Viscount Llandaff
  Henry Matthews, 1st Viscount Llandaff PC, QC was a British lawyer and Conservative politician. He is best remembered for his role in the 1885 Sir Charles Dilke divorce trial and for his tenure as Home Secretary from 1886 to 1892.-Background and education:The member of an old Herefordshire family,...
  
   (d. 1913)
• March 1 - John Thomas
  John Thomas (harpist)
  John Thomas was a Welsh composer and harpist. The bardic name Pencerdd Gwalia was conferred on him at the 1861 Aberdare Eisteddfod....
  
  , harpist (d. 1913)
• May 8 - George Osborne Morgan
  George Osborne Morgan
  Sir George Osborne Morgan, 1st Baronet PC, QC, was a Welsh lawyer and Liberal politician.Born at Gothenburg, Sweden, he was educated at Friars School, Bangor, Shrewsbury School and Balliol College, Oxford, and was a scholar of Worcester College, Oxford from 1847.He became a barrister of Lincoln's...
  
  , lawyer (d. 1897)
• May 11 - David Charles Davies
  David Charles Davies
  David Charles Davies was a Welsh Nonconformist minister.He was born at Aberystwyth, his father being a merchant and a pioneer of Welsh Methodism, and his mother a niece of Thomas Charles of Bala. He was educated in his native town by a noted schoolmaster, John Evans, at Bala College, and at...
  
  , Nonconformist leader (d. 1891)

Deaths

• April - Ned Turner, prize-fighter, 34
• December 18 - Iolo Morganwg
  Iolo Morganwg
  Edward Williams, better known by his bardic name Iolo Morganwg , was an influential Welsh antiquarian, poet, collector, and literary forger. He was widely considered a leading collector and expert on medieval Welsh literature in his day, but after his death it was revealed that he had forged a...
  
  , poet and antiquary, 79
• December 28 - Nathaniel Williams
  Nathaniel Williams
  -Life:Nathaniel Williams was the son of Thomas Williams, from Swansea in south Wales. Nathaniel Williams studied at the University of Oxford, matriculating as a member of Jesus College in 1672 and obtaining a Bachelor of Arts degree in 1676. He wrote two books: A Pindaric Elegy on the famous...
  
  , theologian and hymn-writer, 84

• Date unknown:
  • Richard Griffiths
    Richard Griffiths (industrialist)
    Dr. Richard Griffiths was a Welsh industrial pioneer. Griffiths is notable for building the first recognised transport links into the Rhondda Valley paving the way for future coal exploration into one of the world's richest coal fields....
    
    , industrial pioneer who opened up transport links into the Rhondda
    Rhondda
    Rhondda , or the Rhondda Valley , is a former coal mining valley in Wales, formerly a local government district, consisting of 16 communities built around the River Rhondda. The valley is made up of two valleys, the larger Rhondda Fawr valley and the smaller Rhondda Fach valley...
    
    , 70