[{"data":1,"prerenderedAt":25},["ShallowReactive",2],{"zoom:p5ch9z14:en":3},{"period":4,"chapter":15,"zoom":18},{"id":5,"title":6,"titleEn":6,"titleEs":7,"coverArtworkId":8,"range":9,"rangeEn":9,"rangeEs":9,"cover":10},"p5","High Middle Ages","Plena Edad Media","hannibal-alpes","987 → 1453",{"fileName":11,"filePageUrl":12,"imageUrl":13,"sourceLabel":14},"Facade-notre-dame-paris-ciel-bleu.JPG","https://commons.wikimedia.org/wiki/File:Facade-notre-dame-paris-ciel-bleu.JPG","/assets/p5-moyen-age-classique-cover.png","Wikimedia Commons",{"id":16,"title":17},"p5ch9","Louis IX (Saint Louis): Regency, Royal Justice and Crusades (1226–1270)",{"id":19,"title":20,"chapterId":16,"html":21,"hasEn":22,"isFallback":23,"seoDescription":24},"p5ch9z14","1258: Treaty of Corbeil and the Corbières Frontier","\u003Cp>The \u003Cstrong>Treaty of Corbeil (May 1258)\u003C/strong> was a diplomatic agreement between \u003Cstrong>Louis IX\u003C/strong> and \u003Cstrong>James I of Aragon\u003C/strong>, drawing a clearer boundary between Capetian France and Aragonese influence in the south.\u003C/p>\n\u003Chr>\n\u003Ch2>🧩 Before the Treaty: Shared Rights and Rivalries\u003C/h2>\n\u003Cp>Two powers overlapped in the Midi: France, which had extended its influence southward since the Albigensian Crusade, and Aragon, which had historical rights over several southern counties. The situation left a zone of ambiguity around Roussillon, Montpellier and overlapping fiefs.\u003C/p>\n\u003Chr>\n\u003Ch2>✍️ What Was Agreed at Corbeil\u003C/h2>\n\u003Cp>The treaty established a reciprocal renunciation:\u003C/p>\n\u003Cul>\n\u003Cli>\u003Cstrong>Louis IX\u003C/strong> gave up Capetian claims to Roussillon and a number of rights south of the Pyrenees;\u003C/li>\n\u003Cli>\u003Cstrong>James I\u003C/strong> gave up Aragonese claims to \u003Cstrong>Provence, Gévaudan, Auvergne, Périgord, Limousin\u003C/strong> and a number of northern counties.\u003C/li>\n\u003C/ul>\n\u003Cp>The \u003Cstrong>Corbières\u003C/strong> mountains became a practical boundary line.\u003C/p>\n\u003Chr>\n\u003Ch2>🤝 A Pragmatic Logic\u003C/h2>\n\u003Cp>The deal was remarkably practical for both sides:\u003C/p>\n\u003Cul>\n\u003Cli>Louis IX limited his attention to France and removed a rival dynamic in the south;\u003C/li>\n\u003Cli>James focused on the Iberian Peninsula and the Mediterranean.\u003C/li>\n\u003C/ul>\n\u003Chr>\n\u003Ch2>🧠 Key Points to Remember\u003C/h2>\n\u003Cul>\n\u003Cli>Corbeil 1258 clarified the southern frontier: France north of the Pyrenees and Corbières.\u003C/li>\n\u003Cli>Negotiated peace was part of Louis IX’s systematic diplomatic programme (1258 with Aragon, 1259 with England).\u003C/li>\n\u003C/ul>\n",true,false,"The Treaty of Corbeil (May 1258) was a diplomatic agreement between Louis IX and James I of Aragon , drawing a clearer boundary between Capetian France and",1778543130076]