King Charles III of Navarre was a monarch who ruled from 1387 to 1425. He was born in 1361 and was a member of the House of Évreux. His reign was marked by efforts to strengthen the kingdom of Navarre and maintain its independence amid the political complexities of the time. Charles III was also known for his involvement in the Hundred Years' War, aligning with various factions to secure his interests. He was a patron of the arts and education, contributing to the cultural development of Navarre. His legacy includes a focus on governance and diplomacy during a turbulent period in European history.