Aberfan disaster The Aberfan disaster occurred on 21 October 1966.[1] It was the collapse of a colliery spoil tip onto the village of Aberfan in Glamorgan, Wales. It killed 144 people, most of them children.[1] References[change | change source] ↑ 1.0 1.1 1966: Aberfan - a generation wiped out This short article about history can be made longer. You can help Wikipedia by adding to it. This short article about the United Kingdom can be made longer. You can help Wikipedia by adding to it.