KnowraPortuguese succession crisis of 1580Linked fromLinked fromThe 11 pages that link to Portuguese succession crisis of 1580, each with the reason it gives.All 11Broader topic 2Related 8Compared with 1Iberian UnionBroader topic: The crisis directly produced the competing claims and military intervention that formed the union.Portuguese Restoration WarRelated: Its unresolved consequences placed Portugal under the Habsburg monarchy that the 1640 revolt rejected.House of AvizRelated: The crisis concluded the House of Aviz’s rule and opened the way for Philip II of Spain.Portuguese CortesRelated: The crisis set the conditions for the Cortes of Tomar to decide Portugal’s succession.Sebastian of PortugalRelated: The uncertainty over Sebastian’s fate left the crown vulnerable to competing claims.Portuguese monarchyRelated: It shows how disputed inheritance could place Portugal’s crown under a foreign monarch.Battle of Alcácer QuibirRelated: Sebastian’s disappearance and presumed death left Portugal without a clear successor.John VI of PortugalRelated: Portugal’s earlier succession crisis shaped Braganza claims to the throne John inherited.John IV of PortugalRelated: The crisis began the period of Habsburg rule that John’s restoration ended.John III of PortugalBroader topic: The extinction of John III’s direct male line helped leave Portugal vulnerable to this crisis.Portuguese InterregnumCompared with: Unlike the 1383–1385 outcome, this crisis placed Portugal under a Spanish monarch.