Question

Why was the 1469 marriage of Ferdinand and Isabella important?

Answer 1

Answer:

Isabella's marriage to Ferdinand in 1469 created the basis of the de facto unification of Spain. Her reforms and those she made with her husband had an influence that extended well beyond the borders of their united kingdoms.

Answer 2

Ferdinand of Aragon marries Isabella of Castile in Valladolid, thus beginning a cooperative reign that would unite all the dominions of Spain and elevate the nation to a dominant world power. ... Four years later, Spanish Muslims were handed a similar order.