twˈɛnti wˈʌn ɑːktˈoʊbɚ æɾ ˌæbɚfˈæn, fˈɑːloʊɪŋ hˈɛvi ɹˈeɪn, ɐ kˈɑːlɪɚɹi wˈeɪst tˈɪp kəlˈæpsᵻz ˌɑːntʊ ðə vˈɪlɪdʒz pɹˈaɪmɚɹi skˈuːl, kˈɪlɪŋ wˈʌnhˈʌndɹɪd sˈɪkstiːn tʃˈɪldɹən ænd twˈɛnti ˈeɪt ɐdˈʌlts.
21 October – At Aberfan, following heavy rain, a colliery waste tip collapses onto the village's primary school, killing 116 children and 28 adults.