This page lists historical and other events on July 23rd in Catalonia and the Catalan-speaking countries as well as festivals and a list of births and deaths of well-known Catalans.
1521 - Gandia, la Safor: Els Agermanats beat the Royalist troops at the Battle of Gandia.
1854 - Camins de Ferro de Barcelona a Granollers opens the first railway line between Barcelona and Granollers.
1936 - Barcelona: PSUC is founded as a result de la fusion of the Unió Socialista de Catalunya, the Partit Comunista de Catalunya, the Partit Català Proletari and the Federació Catalana of the PSOE.
2004 - Peralada, Alt Empordà: The opera 1714, Món de guerres, with libretto Albert Mestres opens at the Festival de Peralada.
2007 - Barcelona: The Great Blackout of Barcelona leaves 350,000 homes in Barcelona without electricity for 4 days, as the result of a series of accidents, aggravated by lack of investment, both by Red Eléctrica de España as by Endesa. The problem wasn't completely solved for more than two months, during which time large parts of the city were provided by electricity by large diesel generators.
1852 - Lleida: Martina Castells i Ballespí, Catalan doctor, first woman to gain a doctorate in Spain.
1890 - Barcelona: Joan Amades i Gelats, important Catalan ethnologist and folklorist.
1922 - Calonge: Pere Caner i Estrany, historian, writer and archeologist.
1987 - el Masnou, Maresme: Marc Fernández Usón, basketball player.
1980 - Barcelona: Alfons Comín, Catalan industrial engineer, politician and publicist (died 1932).
2011 - Barcelona: Joan Vernet i Ginés, Catalan arabist.
2012 - Barcelona: Esther Tusquets Guillén, Catalan writer and publisher in Castilian.
2012 - Paco Morán, actor.
2015 - Madrid: Josep Sazatornil, known as Saza, Catalan theatre and film (died 1925).