Here we go again...
On friday 9th June Carles Puigdemolt announced the next referéndum to determine Independence from Spain will be on 1st October 2017.

https://en.wikipedia.org/wiki/Proposed_Catalan_independence_referendum

It appears though that support for Independence is falling..

https://www.theguardian.com/world/2017/jun/09/catalonia-calls-independence-referendum-for-october-spain

Will us foreigners be able to vote? Who knows.. I'll try and keep you up to date.