This page lists historical and other events on September 11th in Catalonia and the Catalan-speaking countries as well as a list of births and deaths of well-known Catalans.
1229 - The forces commanded by Jaume I land on the island of Mallorca. The battle of Portopí is fought the following day.
1901 - Barcelona: First commemoration of September 11th in front of the Monument to Rafael Casanova.
1976 - Sant Boi de Llobregat: first authorised commemoration of the Diada Nacional de Catalunya after the Francoist occupation of Catalonia called by the Assemblea de Catalunya.
1977 - Barcelona: taking advantage of the Diada, more than a million people demonstrated under the slogan "Llibertat, amnistia i Estatut d'autonomia" (during the transition to democracy).
1995 - Terra Lliure announces its decision to dissolve.
2002 - The Generalitat de Catalunya adopts the domain .net
2002 - Fossar de les Moreres in Barcelona: Lluís Maria Xirinacs in a revindicative act, gives a polemical speech in which he said: «Gandhi said that a supporter of non-violence cannot treat both sides of a violent conflict with neutrality: the aggressor is the enemy, the aggressed is the friend, even though it may be violent. I have tried to fight in a non-violent way all my life. But I declare here, and I say it loudly, in case there are police or public prosecutors here: I declare myself enemy of the Spanish state and friend of ETA and Batasuna». He was arrested and imprisoned for this three years later when he went to renew his national identity document.
2012 - Barcelona: a massive Diada demonstration organised by the Catalan National Assembly, in commemoration of September 11th 1714 and calling for independence. The numbers vary from two million accordinding to the organisers, one million five hundred thousand according to the Mossos d'Esquadra and six hundred thousand according to the Delegation of the Spanish Government in Catalonia.
2013 - Different places in Catalonia: the Via Catalana cap a la Independència, a 400-kilometre long human chain that joined 86 municipalities along the line of the old Via Augusta, from Pertús to Vinaròs. According to the Conselleria d'Interior of the Generalitat de Catalunya, 1,600,000 people were on the Via Catalana, 500,000 just in Barcelona.
2014 - Barcelona: 1,800,000 participate in the Via Catalana 2014 to call for a Referendum on the self-determination and independence of Catalunya.
2015 - Barcelona: the Via Lliure is held, a massive demonstration in favour of independence for Catalonia.
2016 - 625,000 paricipate in demonstrations in Barcelona, Tarragona, Lleida, Salt and Berga.
1869 - l'Escala, Provínce of Girona: Caterina Albert, known by the pen name Víctor Català, Catalan writer (died 1966).
1871 - Barcelona: Hermen Anglada i Camarasa, Catalan painter.
1907 - Sabadell, Vallès Occidental: Dolors Viñas i Camps, Catalan teacher and journalist.
1978 - Barcelona (Barcelonès): Gustau Muñoz, Catalan socialist and pro-independence campaigner, member of UJML.
1987 - Barcelona: Fidela Renom i Soler, Catalan politician and defender of working women, the first woman to be elected to the Ajuntament de Sabadell.