Summary: This comprehensive three-part series examines one of history's longest and most transformative conflicts. The Hundred Years' War reshaped medieval Europe, giving birth to modern nations, revolutionizing warfare, and transforming social structures. Through detailed analysis of key battles, political developments, and social changes, these articles trace how a dynastic dispute evolved into a conflict that would help create the modern world. From the triumph of English arms at Crécy and Agincourt to the inspiration of Joan of Arc and the final French victory, the series explores how this epic struggle revolutionized military technology, governmental organization, and national identity in ways that would influence centuries of European history.