14 July – In the Carmarthen by-election, caused by the death of Megan Lloyd George, Gwynfor Evans wins Plaid Cymru's first Parliamentary seat.
fˈoːɹtiːn dʒuːlˈaɪ ɪnðə kˈɑːɹmɑːɹðən baɪᵻlˈɛkʃən, kˈɔːzd baɪ ðə dˈɛθ ʌv mˈɛɡən lˈɔɪd dʒˈɔːɹdʒ, ɡwˈɪnfɚɹ ˈɛvənz wˈɪnz plˈæd kˈʌmɹiz fˈɜːst pˌɑːɹləmˈɛntɚɹi sˈiːt.