1289 Siege of Gaeta by Roger de Lauria. Two years’ truce between Naples and Sicily.
1291 James returns to Aragon to succeed his brother Alfonso as king, leaving his younger brother Frederick regent in Sicily. The Sicilians seize some territory in Calabria.
1292 Roger de Lauria defeats the Neapolitans and then invades the Eastern Empire and takes Scios.
1295 James of Aragon becomes reconciled to the pope; the French claim on Aragon is annulled, and James binds himself by the treaty of Agnani to restore Sicily to the Angevins. Frederick and Constanza prepare to prevent this.
1296 Frederick II crowned king of Sicily. The Sicilians are excommunicated, and invade Calabria.
1297 Roger de Lauria captures Otranto. He then deserts the Sicilians and goes over to James of Aragon, who promises the pope to make war on Frederick.
1298 Roger di Flor enters Frederick’s service.
1299 James of Aragon besieges Syracuse, and the duke of Calabria invades Sicily with some success. Great victory of the Sicilians at Falconara.
1300 The duke of Calabria besieges Messina. Disease ravages his army and he is obliged to withdraw.
1302 A treaty of peace concluded between Charles II of Naples and Frederick. The latter receives title of king of Trinacria for life, and Charles has undisputed right to that of king of Sicily. Frederick is to marry Charles’ daughter. The terms of the treaty are not meant to be carried out, and Frederick resumes the title of king of Sicily.