Ladislaus the Magnanimous was King of Naples from 1386 until his death and an unsuccessful claimant to the kingdoms of Hungary and Croatia. Ladislaus was a skilled political and military leader, protector and controller of Pope Innocent VII; however, he earned a bad reputation concerning his personal life. He profited from disorder throughout Italy to greatly expand his kingdom and his power, appropriating much of the Papal States to his own use. He was the last male of the Capetian House of Anjou.

The Kingdom of Hungary was a monarchy in Central Europe that existed for nearly a millennium, from the Middle Ages into the 20th century. The Principality of Hungary emerged as a Christian kingdom upon the coronation of the first king Stephen I at Esztergom around the year 1000; his family led the monarchy for 300 years. By the 12th century, the kingdom became a European power.