John II of Navarre was a king who ruled from 1450 to 1479. He was born in 1425 and was a member of the House of Évreux. His reign was marked by political challenges, including conflicts with neighboring regions and internal strife within his kingdom. John II was known for his efforts to strengthen the Kingdom of Navarre and improve its economy. He also sought to maintain peace with the Crown of Castile and the Crown of Aragon. His leadership helped to stabilize Navarre during a tumultuous period in European history.