This page lists historical and other events on April 4th in Catalonia and the Catalan-speaking countries as well as festivals and a list of births and deaths of well-known Catalans.
1609 - Expulsion of the Moriscos decreed by Felip III of Castile. Following a proposal of the Council of State of Spain, the deportation of all the Moriscos, the descendents of the Muslims converted to Christianity, de tots els regnes de la península Ibèrica, beginning with the Kingdom of València.
1847 - Barcelona: The Gran Teatre del Liceu opens.
1870 - Gràcia: The Revolta de les Quintes begins.
1938 - Morella, els Ports: The Nationalist troops occupy the town.
1731 - Sant Mateu (Baix Maestrat): Francesc Morera i Cots, Valencian baroque composer (died 1793).
1893 - Sabadell: Joan Sallarès i Castells, bookseller, Catalan writer and publisher.
1916 - Barcelona: Pere Farreras i Valentí, Catalan doctor (died 1968).
1943 - Alcoi: Isabel-Clara Simó i Monllor, Valencian writer and journalist.
1943 - Torrelles de Llobregat, Baix Llobregat: Joan Rigol i Roig is a Catalan politician, member of UDC and was President of the Parliament of Catalonia.
1945 - Sabadell: Antoni Farrés i Sabater, Catalan lawyer and politician, Mayor of Sabadell from 1979 to 1999.
1985 - Palma: Rudy Fernández, basketball player, world champion (Japan 2006) with the Spanish National Team.
1478 - Benimàmet, Regne de València: Jaume Roig, doctor and writer in from the País Valencià.
1869 - Sabadell: Pere Turull i Sallent, factory owner, known as the Rico Catalán.
1930 - València: Josep Rodrigo Pertegàs, Valencian doctor and historian (76 years old).
1963 - Sabadell (Vallès Occidental): Josep Maria Marcet i Coll, Mayor of Sabadell between 1940 and 1960.
1979 - València: Vicent Asencio i Ruano, Valencian composer (70 years old).
1991 - Barcelona: Montserrat Alavedra i Comas, Catalan soprano (44 years old).