John II of Portugal was the King of Portugal from 1481 until his death in 1495. He was known for his strong leadership and efforts to strengthen the Portuguese monarchy. His reign is often marked by significant advancements in exploration, as he supported voyages that expanded Portugal's influence in Africa and the Indian Ocean. John II is also recognized for his diplomatic skills and attempts to consolidate power within the kingdom. He worked to improve the economy and reduce the influence of the nobility. His reign laid the groundwork for the Age of Discovery, which would follow under his successor, Manuel I of Portugal.