Before revision: Imperial expansion Iberian territory of Crown of Castile The expansion of Spain's territory took place under the Catholic Monarchs Isabella I of Castile and her husband Ferdinand II of Aragon, whose marriage marked the beginning of Spanish power beyond the Iberian Peninsula.
After revision: Imperial expansion The expansion of Spain's territory took place under the Catholic Monarchs Isabella I of Castile and her husband Ferdinand II of Aragon, whose marriage marked the beginning of Spanish power beyond the Iberian Peninsula.