In 1469 Ferdinand of Castile and Isabella of Aragon and united the two territories?

In 1469, the marriage of Ferdinand of Castile and Isabella of Aragon united their respective kingdoms, marking the beginning of a unified Spain. This alliance strengthened their political power and laid the foundation for the eventual consolidation of Spain as a single nation. Their reign is noted for significant events, including the completion of the Reconquista in 1492 and the sponsorship of Christopher Columbus's voyage, which opened the Americas to European exploration. This union set the stage for Spain's emergence as a major European power in the following centuries.