1940 in Wales

Incumbents

• Prince of Wales – vacant
• Princess of Wales – vacant
• Archbishop of Wales – Charles Green, Bishop of Bangor
• Archdruid of the National Eisteddfod of Wales – Crwys

  Events

• 21 January - Lowest ever temperature recorded in Wales, -23.3 °C at Rhayader.
• 27 January - A freak ice storm across the UK brings down telephone and electricity lines in many parts of Wales.
• 3 March - The steamer Cato is damaged by a mine off Nash Point and 13 of the crew are killed.
• March - The scenic railway opens at Barry Island Pleasure Park.
• May
• *The newly created Coalition Government includes Hugh Dalton as Minister of Economic Warfare.
• *Alun Lewis enlists.
• 8 May - Three Nazi German Luftwaffe Heinkel 111s crash in separate incidents over Wales: one near Wrexham, one at Malpas in Denbighshire, and one at Bagillt, Flint. In all nine crew are killed and four captured.
• 3 July - Cardiff is bombed for the first time.
• 9 July - Cardiff suffers its first bombing fatalities.
• 10 July - Ten people are killed in an air raid on Swansea Docks, as shipping convoys become a target.
• 11 July - Communist minister and poet Thomas Evan Nicholas and his son are arrested and interned for "endeavouring to impede recruitment to HM Forces". Nicholas is eventually released on 20 October.
• 11 August - Seventeen people are killed in an air raid on Manselton, Swansea.
• 14 August - Three German Heinkel 111s are shot down during an air-raid on Cardiff, and another over North Wales after a raid on RAF Hawarden.
• 22 August - A steamer, the Thorold, is sunk by German aircraft off the Skerries. Ten crew are killed.
• 2 September - 33 people are killed in an air raid on Swansea.
• 3 September - Eleven people are killed in an air raid on Cardiff.
• 4 September - A German Junkers 88 crashes near Machynlleth. Four crew and a Gestapo officer are captured.
• 13 September - A German Heinkel 111 crashes into a house in Newport, Monmouthshire.
• 22 November - The steamer Pikepool is damaged by a mine off Linney Head, Pembrokeshire, with the loss of 17 crew.
• The Urdd changes its policy to include 16- to 25-year-olds.
• Gwilym Williams becomes chaplain of St David's College, Lampeter.
• Percy Cudlipp becomes editor of the Daily Herald.
• Alun Talfan Davies and his brother Aneirin found the publishing house Llyfrau'r Dryw.

  Arts and literature

• Lewis Casson directs John Gielgud in King Lear.

  Awards

• National Eisteddfod of Wales
• National Eisteddfod of Wales: Chair - withheld
• National Eisteddfod of Wales: Crown - T. Rowland Hughes
• National Eisteddfod of Wales: Prose Medal - withheld

  New books

• Richard Bennett - Cyfrol Goffa Richard Bennett
• Clara Novello Davies - The Life I Have Loved
• David Delta Edwards - Rhedeg ar ôl y Cysgodion
• John Cowper Powys - Owen Glendower
• Howard Spring - Fame is the Spur
• Ransom Riggs - Miss Peregrine's Home for Peculiar Children

  Music

• Mai Jones & Lyn Joshua - "We'll Keep a Welcome"
• Grace Williams - Fantasia on Welsh Nursery Tunes

  Film

• March 25 - Plaza Cinema opens in Port Talbot.
• April 6 - Paul Robeson and Rachel Thomas star in The Proud Valley

  Broadcasting

• 25 February - The Proud Valley is the first film to have its première on radio, when the BBC broadcasts a 60-minute version.
• May - The BBC Radio Variety Department relocates to Bangor because of wartime disruption; it will broadcast from here until August 1943.
• August - The National Eisteddfod of Wales is broadcast on the British Home Service, including 15 minutes each for the crown and chair ceremonies.

  Sport

• Football
• *13 April - Wales defeat England 1 - 0.
• Quoits - Jack Price wins the Welsh championship for the third time.

  Births

• 4 January - Brian Josephson, theoretical physicist
• 17 January - Leighton Rees, darts champion
• 23 January - Ted Rowlands, politician
• 1 March - David Broome, show jumping champion
• 16 May - Sir Gareth Roberts, physicist
• 7 June - Tom Jones, singer
• 29 June - John Dawes, rugby player
• 17 July - C. W. Nicol, Japanese writer and environmentalist
• 3 September - Eduardo Hughes Galeano, Uruguayan writer of Welsh descent
• 12 September - Patrick Mower, Welsh-descended actor
• 20 September - Anna Pavord, gardening writer
• 14 October - Christopher Timothy, actor
• 4 November - Daniel Sperber, Talmudic scholar
• 30 November - Peter Shreeves, footballer, coach, and manager
• 5 December
• *Michael Jones, medieval historian
• *"Exotic" Adrian Street, professional wrestler
• 24 December - John Marek, politician
• date unknown
• *Donald Evans, Welsh-language poet
• *Keith Miles, detective novelist and screenwriter

  Deaths

• 12 February - William Edwards, educationist, 89
• 21 February - Sir Alfred Edward Lewis, banker, 71
• 15 March - John Davies, author, 71
• 20 March - William Thomas Edwards, poet
• 7 April - Ernest Rowland, priest and Wales international rugby player, 75
• 27 April - Fred Cornish, Wales international rugby player
• 23 May - Hugh Hesketh Hughes, polo player, 37
• 4 June - Owen Picton Davies, businessman and politician, 68
• 25 June - Stanley Winmill, Wales international rugby union player, 51
• 3 July - George Bevan Bowen, landowner, 82
• 8 August - Daniel Lleufer Thomas, lawyer and biographer, 76
• 20 August - Henry Maldwyn Hughes, Wesleyan minister
• 26 September - W. H. Davies, poet and author, 69
• 9 October - Sir Wilfred Grenfell, medical missionary to Newfoundland and Labrador
• 9 November - Gwilym Owen, physicist
• 15 December
• *Robert Thomas Jones, quarrymen’s leader, 66
• *Sir David Richard Llewellyn, 1st Baronet, industrialist