This page lists historical and other events on June 30th in Catalonia and the Catalan-speaking countries as well as festivals and a list of births and deaths of well-known Catalans.
1409 - Sardinia: The Catalano-Aragonese troops defeat the forces of the Jutjat Arborea at the Battle of Seddori.
1994 - Catalonia: The Generalitat of Catalonia officially recognises Catalan Sign Language.
1987 - Barcelona: Frederic Mompou i Dencausse, Catalan composer.
1996 - Barcelona: Miquel Arimany i Coma, Catalan writer and publisher.