This page lists historical and other events on April 17th in Catalonia and the Catalan-speaking countries as well as festivals and a list of births and deaths of well-known Catalans.
1711 - Barcelona: Carles III, Count of Barcelona, on the death of his brother Josef I, immediately left for Austria where he would be crowned Holy Roman Emperor and would leave Catalonia to fight the War of the Spanish Succession alone.
1979 - Barcelona: Ona lliure, the country's free radio, begins broadcasting.
1873 - Sabadell: Antoni Estruch i Bros, Catalan historical painter, famous for having painted Corpus de Sang and L'Onze de Setembre.
1723 - València: Tomàs Vicent Tosca i Mascó, Valencian intellectual, mathematician, cartographer and theologian, as well as creating the Novatores movement.
1946 - València: Gustau Pascual Falcó, Valencian musician and composer, author of the pasodoble «Paquito el Chocolatero» (born 1909).