1. The queen of Castile whose marriage to Ferdinand of Aragon in 1469 marked the beginning of the modern state of Spain; they instituted the Spanish Inquisition in 1478 and sponsored the voyages of Christopher Columbus in 1492 (1451-1504)
   - Queen Isabella, Isabella I, Isabella the Catholic

Type of: female monarch, queen, queen regnant

Encyclopedia: Isabella, Duchess of Burgundy Isabella, Countess of Menteith Isabella, Duchess of Lorraine Isabella, MO Isabella, MI Isabella, Countess of Atholl Isabella Isabella, Countess of Fife Isabella, Countess of Mar Isabella, Countess of Lennox Isabella, Queen of Armenia Isabella, Princess of Asturias Isabella, Queen of Jerusalem Isabella, or the Pot of Basil Isabella, duchess of Lorraine Isabella, Minnesota Isabella, Michigan Isabella, Missouri Isabella, Princess of Armenia Isabella, Princess Imperial of Brazil

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