This page lists historical and other events on August 12th in Catalonia and the Catalan-speaking countries as well as a list of births and deaths of well-known Catalans..
1888 – Barcelona: the socialist trades union the Unió General de Treballadors (UGT) is founded.
1906 – The first regular bus line in Barcelona.
1932 – Palma: A demonstration in Plaça de Cort in favour of the Second Spanish Republic.
1982 – el País Valencià: Joan Lerma becomes President of the Provisional Valencian Generalitat.
1879 – Barcelona: August Pi i Sunyer, Catalan physiologist, politician and sports manager (died 1965).
1897 – Algemesí (la Ribera Alta): Josep Moreno i Gans, Valencian composer (died 1976).
1897 – La Garriga (Vallès Oriental): Manuel Blancafort i de Rosselló, Catalan composer (died 1987).
1920 – València: Francesc Martí Grajales, Valencian journalist, essayist and intellectual (n. 1862).
Festivals and Commemorations
Ademús: Festival in honour of the Assumpció de la Mare de Déu, which is celebrated on August 15th.