3 May – Josef Herman's Miners, a mural commissioned for the Minerals of the Island Pavilion at the Festival of Britain, is displayed for the first time.
14 May – The Talyllyn Railway is reopened by the Talyllyn Railway Preservation Society, generally considered to be the world's first such voluntary body to operate a railway.
^Sumner, Ann (2003). "Who was Thomas Jones? The life, death and posthumous reputation of Thomas Jones of Pencerrig". In Sumner, Ann; Smith, Greg (eds.). Thomas Jones (1742–1803): An Artist Rediscovered. New Haven; London: Yale University Press.
^Paul Rees (2 November 2007). "Ray Gravell". The Guardian. Retrieved 27 May 2019.
^ DeathsThe Times (London, England), Wednesday, Mar 07, 1951; pg. 6; Issue 51943’ The Times (London, England), Wednesday, Mar 25, 1936; pg. 18; Issue 47332