This page lists historical and other events on June 18th in Catalonia and the Catalan-speaking countries as well as festivals and a list of births and deaths of well-known Catalans.
1870 - Barcelona: The first Spanish Workers' Congress begins at Teatre Circ, where the Federació Regional Espanyola de l'Associació Internacional de Treballadors is formally constituted. It ends on 25th June.
1907 - Barcelona: Creation of the Institut d'Estudis Catalans
1990 - Barcelona: The Universitat Pompeu Fabra is founded.
2006 - Catalunya: Referendum to pass the reform to the Estatut de Catalunya.
2016 - Barcelona: Convergència i Unió is dissolved.
1904 - Sabadell (Vallès Occidental): Joan Prat i Esteve, Armand Obiols, Catalan writer, journalist and literary critic. (died 1971)
1982 - Calonge (Baix Empordà): Pere Caner i Estrany, Catalan historian, writer and archeologist. (born 1922)
1986 - Sabadell (Vallès Occidental): Joan Oliver i Sallarès, Pere Quart, Catalan poet, playwright and writer. (born 1899)