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| | CATHOLIC ENCYCLOPEDIA: Castile and Aragon |
 | | Old Castile is in outline an irregular triangle, the western frontier bordering on the ancient Kingdom of Leon, the south-eastern boundary being the Sierras de Gredos, Guadarrama, and the Moncayo (Mons Caunus), and the north-eastern, the river Ebro. |
 | | Castile, with the title of king, was given to Ferdinand, who had married Sancha, the sister of Bermudo, who was to have married García Sánchez, the last independent count. |
 | | The Compromiso de Caspe placed the crown of Aragon on the head of an Infante of Castile, Ferdinand of Antequera (1412), and the marriage of Isabella, heiress of Henry IV of Castile, to Ferdinand, the heir of John II of Aragon, finally united these kingdoms and formed the beginning of the Spanish monarchy. |
| www.newadvent.org /cathen/03410b.htm (3092 words) |
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