In 1469, the crowns of the kingdoms of Castile and Aragon were united by the marriage of Isabella and Ferdinand. This was an important event in the history of which country?
History of Spain and ruled jointly with her husband, King Ferdinand II. Isabella and Ferdinand had married in 1469 in Valladolid. Their marriage united both crowns and set the stage for the creation of the Kingdom of Spain, at the dawn of the modern era. That union, however, was a union in title only, as each region retained its own political and judicial structure. Pursuant to an agreement signed by Isabella and Ferdinand on January 15, 1474, Isabella held more authority over the newly unified Spain than her husband, although their rule was shared. Together, Isabella of Castile and Ferdinand of Aragon were
Kingdom of Castile II of Aragon. The marriage of Ferdinand II of Aragon and Isabella I of Castile, in 1469 at the Palacio de los Vivero in Valladolid, began a familial union of the two kingdoms. They became known as the Catholic Monarchs "(los Reyes Católicos)". Isabella succeeded her brother as Queen of Castile and Ferdinand became "jure uxoris" King of Castile in 1474. When Ferdinand succeeded his father as King of Aragon in 1479, the Crown of Castile and the various territories of the Crown of Aragon were united in a personal union creating for the first time since the 8th century