Isabella I Dies: Spain's Empire-Building Queen

Isabella I left behind a unified Spain forged through her marriage to Ferdinand II, the conquest of Granada, and the fateful decision to finance Columbus's voyage across the Atlantic. Her death triggered a succession crisis but could not undo the imperial foundations she built, as Spanish dominion over the Americas would endure for three centuries. Isabella died on November 26, 1504, in Medina del Campo, having transformed the Iberian Peninsula through three decades of assertive governance. Her marriage to Ferdinand of Aragon in 1469 united the two largest Christian kingdoms on the peninsula, creating the political entity that would become modern Spain. Together they completed the Reconquista by conquering the Emirate of Granada in 1492, ending nearly eight centuries of Muslim rule in Iberia. That same year, Isabella sponsored Christopher Columbus's first voyage, a decision driven as much by competition with Portugal for Atlantic trade routes as by religious zeal. The discovery of the Americas transformed Spain into the world's most powerful empire within a generation. Isabella was also responsible for the establishment of the Spanish Inquisition in 1478 and the expulsion of Jews from Spain in 1492, decisions that demonstrated the darker dimensions of her religious absolutism. Her will specified that indigenous peoples in the Americas should be treated justly and converted peacefully, instructions that were honored more in the breach than the observance. Her death left the question of succession unresolved: her heir Joanna was declared mentally unfit, and power passed through a series of regencies before her grandson Charles V inherited both Spain and the Holy Roman Empire, creating the most powerful political entity in sixteenth-century Europe.