This page lists historical and other events on May 18th in Catalonia and the Catalan-speaking countries as well as festivals and a list of births and deaths of well-known Catalans.
1907 - Perpignan (el Rosselló): A revolt of vine growers.
1929 - Barcelona: Opening of the Universal Exhibition on Montjuïc.
1960 - Barcelona: The Events of the Palau de la Música: The singing of El Cant de la Senyera provokes repressive measures by the Francoist authorities against Catalanism, in general, and Jordi Pujol, in particular.
1946 - Vilanova i la Geltrú, el Garraf: Pere Tàpias, Catalan singer-songwriter, gastronome and radio presenter.
1396 - Foixà, Empordà: Joan I the Hunter, King of the Crown of Aragon (born 1350).
1952 - València: Agustín Trigo Mezquita, Valencian pharmacist, factory owner and politician, Mayor of València in 1931 (born 1863).
1974 - Sabadell: Antoni Llonch i Gambús, textile manufacturer and Mayor of Sabadell.
1973 - Ciutat de Mèxic: Carles Parès i Guillèn, Catalan surgeon.
1986 - València: Joan Martínez Bàguena, Valencian composer, especially music for theatre (born 1897).