Julian Assange's internet was cut off after his tweet about Catalonia. I'm just starting to dig after Q's request. Interesting that the National day of Catalonia is September 11th.

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

Article in Bloomberg regarding Catalonia.

https://www.bloomberg.com/news/articles/2018-07-31/catalonia-s-divided-separatists-offer-sanchez-chance-of-progress

Another article about the ex president that Julian Assange's tweet referred to. Looks like he is out of jail now.

https://www.dw.com/en/ex-catalan-leader-carles-puigdemont-leaves-for-belgium-after-failed-extradition-bid/a-44863235