Historian Wyn Thomas looks back fifty years to the submerging of Capel Celyn to create a reservoir for Liverpool, despite nationwide controversy and huge opposition at the time.

Historian Wyn Thomas revisits an event described as a defining moment and a turning point in modern Welsh history. Capel Celyn near Bala was a vibrant Welsh-speaking village, but despite nationwide controversy and huge opposition at the time, it was drowned to create a reservoir for Liverpool. 50 years on from the official opening, was Tryweryn a legitimate way to provide a city with a reliable water supply? Or was it 'a cruel act of rape' by a dominant country against its smaller neighbour?