Isabella I of Castile

Isabella I of Castile (1451-1504) was a pivotal figure in Spanish history, known for her marriage to Ferdinand II of Aragon, which unified Spain and laid the groundwork for its emergence as a global power. Together, they completed the Reconquista by capturing Granada in 1492, sponsored Christopher Columbus's voyages, and initiated the Spanish Inquisition, all of which significantly shaped the course of Spanish and world history.