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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 (Spanish king of Castile and León)." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 22 Jun. 2017 <http://www.encyclopedia.com>.

"Ferdinand IV (Spanish king of Castile and León)." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (June 22, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ferdinand-iv-spanish-king-castile-and-leon

"Ferdinand IV (Spanish king of Castile and León)." The Columbia Encyclopedia, 6th ed.. . Retrieved June 22, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ferdinand-iv-spanish-king-castile-and-leon

Ferdinand IV (king of Naples)

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

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Pick a style below, and copy the text for your bibliography.

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"Ferdinand IV (king of Naples)." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 22 Jun. 2017 <http://www.encyclopedia.com>.

"Ferdinand IV (king of Naples)." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (June 22, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ferdinand-iv-king-naples

"Ferdinand IV (king of Naples)." The Columbia Encyclopedia, 6th ed.. . Retrieved June 22, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ferdinand-iv-king-naples