- CalixtusIII
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Ca·lix·tus III (kə-lĭkʹstəs) or Cal·lis·tus III (-lĭsʹtəs), Originally Alfonso Borgia. 1378-1458.
Pope (1455-1458) who tried unsuccessfully to set in motion a crusade to recapture Constantinople from the Turks and whose nepotism empowered the Borgia family in Italy.
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Universalium. 2010.