Down the agesCatalonia was a principality in the kingdom of Aragon. Late 15th century: Aragon united with Castile to form the kingdom of Spain. But, Catalonia continued to retain its specific identity through separate political institutions, laws and customs. Through the country’s tumultuous history, Catalans revolted every now and then against Spanish authority as they feared their autonomy would be revoked. 18th century: During the War of the Spanish Succession, Catalonia was defeated and cent