1843 in Wales

Incumbents

• Prince of Wales - Edward Albert, son of Queen Victoria of the United Kingdom
• Princess of Wales - vacant

Events

• April 15 - Death of William Howells, the notorious "Laleston poisoning" case. His sister and brother-in-law are later acquitted of his murder.
• June - After disturbances in Carmarthenshire, George Rice Trevor, 4th Baron Dynevor, takes on the responsibility for administering order in the county.
• June 22 - The Times sends a special correspondent to South Wales to cover the Rebecca Riots.
• Llewelyn Lewellin becomes dean of St David's.
• Sir Thomas Frankland Lewis is appointed to chair the commission of enquiry into the Rebecca riots.

Arts and literature

New books

• Daniel Silvan Evans - Blodeu Ieuainc
• Morris Williams (Nicander) - Y Flwyddyn Eglwysig

Music

• David Hughes (Cristiolus Môn) - Y Perorydd Cysegredig
• John Orlando Parry - The Accomplished Young Lady

Births

• May 12 - Thomas William Rhys Davids, founder of the Pali Text Society (died 1922)
• June 11 - James Milo Griffiths, sculptor (died 1897)
• December 20 - Frances Hoggan, first British woman to qualify as a doctor (died 1927)

Deaths

• March 26 - Robert Richford Roberts, Welsh-descended Methodist leader in the USA, 64
• March 27 - Henry Nevill, 2nd Earl of Abergavenny, 88
• May 19 - Charles James Apperley ("Nimrod"), sports writer, 64?