1303 Roger di Flor forms the Catalan Grand Company out of his Sicilian mercenaries.

1313 Alliance of Frederick with the emperor Henry VII against the pope and Robert of Naples.

1314 Sicily is attacked by Robert, who agrees to a three years’ truce.

1317 Robert again attacks Sicily and makes another truce.

1325 Robert attacks Sicily for the third time, but is obliged to return to Naples after an attempt to capture Palermo.

1337 Death of Frederick. His son Pedro II succeeds. The kingdom sinks into obscurity.

1338 Robert fails in a fourth attack on Sicily.

1339 Robert takes the Lipari Islands from Sicily.

1342 Death of Pedro. His son Luis succeeds under the regency of Pedro’s brother Juan.