The Third Carlist war was between the supporters of Don Carlos and the government of Amadeus I, the First Republic and Alfonso XII.
This civil war was developed in the País Vasco, Navarra and Cataluña. The restoration of the fueros (abolished with the New Foundation Decrees) influenced in the strengh of the uprising in Cataluña.
There were also some little uprisings in Andalucía, Valencia and Aragón but they did not have much importance.
In spite of these, Alfonso XII won.