1461 Scanderbeg, with a force of Albanians, comes to the assistance of Ferdinand.
1462 Ferdinand defeats John at Troja, and forces him to give up his attempt on Naples.
1470 Ferdinand joins the Holy League of the pope against the Turks.
1478 Ferdinand joins Sixtus IV in his war on the Florentines.
1479 Ferdinand makes peace with Lorenzo de’ Medici, which arouses the pope against him.
1480 The Turks capture Otranto. Sixtus and Ferdinand become reconciled.
1481 Otranto recovered from the Turks by a general league of Christian princes.
1485 Oppressed by taxation, the Neapolitan nobles revolt against Ferdinand.
1486 Innocent VIII takes the side of the Neapolitan nobles. They send for René II, duke of Lorraine, grandson of René of Anjou, with offers of the crown. René delays acceptance and the opportunity passes. Aragon, Milan, and Florence uphold Ferdinand. Lorenzo de’ Medici finally reconciles the nobles to Ferdinand, who breaks his promises and punishes them cruelly.
1492 Piero de’ Medici makes alliance with Ferdinand.