This article is about the particular significance of the year 1867 to Wales and its people.

Incumbents

• Prince of Wales The Prince Albert Edward, son of Queen Victoria of the United Kingdom
• Princess of Wales Alexandra of Denmark

Events

• July First appearance of Yr Awstralydd, a Welsh-language journal published in Australia and edited by William Meirion Evans and Theophilus Williams.
• 27 October A sailing ship, the Earl of Chester, is wrecked off Rhosneigr, Anglesey, with the loss of 14 lives.
• 8 November 178 miners are killed in an accident at Ferndale Colliery, Rhondda.
• John Graham Chambers revises the Marquess of Queensberry rules.
• Celtic Congress held at Saint-Brieuc in Brittany.
• The Mawddach rail bridge opens and Barmouth is linked to the rail network for the first time.
• Amlwch is linked to the rail network for the first time.
• Railway lines open between Caernarfon and Porthmadog and between Prestatyn and Dyserth.
• The Bronze Age cairns at Llanmadoc Hill are excavated and finds recorded.
• Rhyl pier is built, at a cost of 23,000.

Arts and literature

Awards

• At the National Eisteddfod of Wales held at Carmarthen, a crown is presented for the first time.

New books

• Rhoda Broughton Cometh up as a Flower
• Edward Hamer The Chartist Outbreak at Llanidloes
• Jabez Edmund Jenkins Egin Awen, yn cynnwys awdlau, cywyddau
• William Thomas (Islwyn) Caniadau
• Alfred Russel Wallace The Malay Archipelago
• Charles Wilkins The History of Merthyr Tydfil

Music

• David Roberts (Alawydd) Llyfr y Psalmau

Sport

• Boxing The "Marquess of Queensberry rules", formulated by John Graham Chambers, are published.

Births

• 10 March
  • Sir William James Thomas, Baronet, philanthropist (d. 1945)
  • William Llewelyn Williams, politician (d. 1922)
• 2 May Eliseus Williams (Eifion Wyn), poet (d. 1926)
• 13 May Frank Brangwyn, artist (d. 1956)
• 15 May Sir Henry Stuart Jones, academic (d. 1939)
• 21 May John Thomas Job, poet (d. 1938)
• 26 May Mary of Teck, later Princess of Wales 1901 1910 (d. 1953)
• 29 September John Richard Williams (J.R. Tryfanwy), poet (d. 1924)
• 6 October Rosser Evans, Wales international rugby player
• 12 October Lyn Harding, actor (d. 1952)
• 2 November Owen Glynne Jones, mountaineer (d. 1899)
• 28 November James Richard Atkin, judge (born in Australia) (d. 1944)
• 18 December David Watts Morgan, Member of Parliament for Rhondda East (d. 1933)
• date unknown Fred Hutchinson, rugby player (d. 1941)

Deaths

• 15 February Walter Coffin, industrialist, 82
• 18 February Edward Roberts (Iorwerth Glan Aled), poet, 48
• 27 April Benjamin Hall, 1st Baron Llanover, industrialist, 64
• 4 August William Crawshay II, industrialist, 79
• 12 September Robert Fulke Greville, landowner and politician, 67
• 1 December William Thomas, Guardian of Aborigines in Australia, 74