The Granada War Hostile_encounter ( ) was a series of military campaigns Military_operation between 1482 and 1491 , during the reign of the Catholic Monarchs ( ) Isabella I of Castile and Ferdinand II of Aragon , against the Nasrid dynasty 's Emirate of Granada .

The war Hostile_encounter was a joint Collaboration project between Isabella 's Crown of Castile and Ferdinand 's Crown of Aragon .

Aristocrats were offered Giving the allure of new lands , while Ferdinand and Isabella centralized and consolidated Cause_change_of_strength power .

King Henry IV of Castile died Death in December 1474 , setting off the War Hostile_encounter of the Castilian Succession between Henry 's daughter Joanna la Beltraneja and Henry 's half-sister Isabella .

The war Hostile_encounter raged from 1475–1479 , setting Placing Isabella 's supporters Supporting and the Crown of Aragon against Joanna 's supporters Supporting , Portugal , and France .

In 1479 , the Succession War concluded Process_end with Isabella victorious .

As Isabella had married Forming_relationships Ferdinand of Aragon in 1469 , this meant that the two powerful kingdoms of Castile and Aragon would stand Placing united , free from inter-Christian war Hostile_encounter which had helped Assistance Granada survive .

After some Spanish reconquest attempts , including the expedition of Isidro Barradas in 1829 , Spain under the rule of Isabella II recognized Know the independence of Mexico in 1836 .

The revolt Change_of_leadership occurred Coming_to_be in the wake of political instability in the Crown of Castile after the death Death of Queen Isabella I in 1504 .

Isabella 's daughter Joanna succeeded to the throne .