- (1359) Integrated in the war waged by Pedro of Castile against Pedor IV of Aragon, because the latter refused to hand him his brothers to be executed on account of befriending Enrique de Trastámara, Pedro's half-brother.
- Pedro led his own fleet, whereas the Aragonese fleet was led by Bernat III de Cabrera as admiral, and Hug Folc de Cardona as vice-admiral.
Chronicle entries in which Battle of Barcelona appears:
Citation:
Crónica de D. Pedro, ch. 24