Fernando III of Castile

Fernando III of Castile, also known as Ferdinand III, was a significant medieval king who ruled from 1217 to 1252. He is best known for uniting large parts of Spain under Christian rule during the Reconquista, a campaign to reclaim territory from Muslim rule. Fernando established the Kingdom of Castile as a powerful force and is remembered for his military successes, including the conquest of Seville. He was canonized as a saint, reflecting his piety and commitment to Christianity. His reign contributed to the cultural and political foundations of modern Spain.