Ferdinand as Regent of Castile

Timeline

1. 1482Court of Castile · ValladolidIsabella I, about to give birth, appointed her husband Ferdinand II as regent in accordance with Castilian law and custom, granting him full authority to issue decrees, deploy troops, and conduct diplomacy.
2. 1482Castile · Castile and LeónAs regent, Ferdinand signed the declaration of war on Granada, assembled the army, and personally led the expedition, while also handling taxation, noble petitions, and Aragonese affairs—demonstrating the cooperative division of labor under the joint monarchy.
3. 1482Court of Castile · ValladolidOn June 30, 1482, Isabella gave birth to the heir Juan. Ferdinand continued as regent and campaigned in the south during her recovery; by autumn Isabella gradually resumed direct rule, formally ending the regency, though Ferdinand still directed military operations on the Granada front.