There have been several Catalan independence referendums for determining the independence of Catalonia from Spain.
2017 Catalan independence referendum Declaration of the Initiation of the Process of Independence of Catalonia Law on the Referendum on Self-determination of Catalonia 2014 Catalan self-determination referendum Catalan independence referendums, 2009–11 Catalan independence referendum, 2009 (Arenys de Munt)
See also 2012 Catalan independence demonstration Catalan independence Catalan Republic