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Conflict between Aragon and Catalonia

Type Event Region Europe Time 1351–1360

In the 1350s, Aragonese king Peter IV ('the Ceremonious') sought to strengthen royal power and unify the kingdom's finances and military, provoking d…

Timeline

  1. 1351–1354Zaragoza · AragonAfter accession, Peter IV pursued centralization, attempting to unify the administrative and fiscal systems of Aragon, Catalonia, and Valencia and weaken local traditions of autonomy, arousing the wariness of the Catalan elite.
  2. 1355–1358Barcelona · CataloniaThe Catalan Corts and urban communities, invoking customary law such as the Usatges, resisted the king's new taxes and expanded conscription; fierce political confrontations and localized armed clashes erupted in Barcelona and elsewhere.
  3. 1356–1360Aragon-Castile frontier · SpainDuring the 'War of the Two Peters' between Peter I of Castile and Peter IV of Aragon, Catalonia was deeply divided over whether to support the king's military campaigns; internal contradictions and external war constrained each other, deepening political turmoil in the Kingdom of Aragon.

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