This page lists historical and other events on October 4th in Catalonia and the Catalan-speaking countries as well as a list of births and deaths of well-known Catalans..
1833 - Prats de Lluçanès, Osona: There is a Carlist uprising in favour of brother of King Fernando VII and pretender to the throne, Carlos Maria Isidre de Borbón, in Prats de Lluçanès in the comarca of Osona. This leads to the start of the first of three Carlist wars that would affect mainly Catalonia and the Basque Country for the next 50 or so years.
1880 - Santa Margalida, Mallorca: Joan March Ordinas, Franco's banker, Mallorcan smuggler, politician and investor (died 1962).
1918 - Barberà del Vallès: Josep Maria Arnella i Gallego, Catalan journalist.
1889 - Vila-real, Plana Baixa: José Polo de Bernabé y Borrás, Valencian politician and businessman (born 1812).
1913 - Barcelona: Josep Falp i Plana, Catalan doctor and writer, founder of the Lliga Vegetariana de Catalunya (born 1873).
1913 - Tànger, Morocco: Josep Tapiró i Baró, Catalan painter (born 1836).