Catalonia is a part of Spain, but it has its own flag, anthem, Parliament and language.
25% of Spain's exports come from Catalonia
16% of Spain's population lives in Catalonia
Catalonian Nationalists who want independence from Spain believe they give more to Madrid then they receive.
The Spanish government declared this referendum illegal and replaced the Catalonian leaders.
On October 1st 2017 a vote was taken in Catalonia, 90% of people who voted wanted independence from Spain.
Accused of rebellion, Carles Puigdemont (the former President of the Catalonian Government) and his associates are wanted by the Spanish Government.
Catalonian Nationalists regain control of the Catalonian government in June 2018. The conflict isn't over because many people in Catalonia still want independence despite being threatened by the Spanish Government .