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Compromise of Caspe

Spanish history

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The Compromise of Caspe was a pivotal event in Spanish history that resolved a succession crisis within the Crown of Aragon. Following the death of King Martin of Aragon in 1410 without a clear heir, nine representatives from Aragon, Valencia, and Catalonia convened in Caspe to determine the next monarch. In 1412, they announced their decision, known as the Compromise of Caspe, selecting Ferdinand of Antequera, brother of the King of Castile, as the new king. This decision established the Trastámara dynasty in Aragon and paved the way for the eventual union of the Crowns of Aragon and Castile.1

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