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Ferdinand IV (Spanish king of Castile and León)

Ferdinand IV, 1285–1312, Spanish king of Castile and León (1295–1312), son and successor of Sancho IV. His mother, María de Molina, was regent during his turbulent minority. He tried unsuccessfully to take Algeciras from the Moors but conquered (1309) Gibraltar with the help of Aragón. He was succeeded by his son, Alfonso XI.

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Ferdinand IV (king of Naples)

Ferdinand IV, king of Naples: see Ferdinand I, king of the Two Sicilies.

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"Ferdinand IV (king of Naples)." The Columbia Encyclopedia, 6th ed.. . Retrieved November 17, 2018 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ferdinand-iv-king-naples

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