January 15 – At Madrid, Queen Isabella I of Castile, who had been crowned on December 11, declares her husband Prince Fernando de Aragón to be the joint ruler with her, and is proclaimed as King Fernando V of Castile.[2] Fernando, the oldest son and heir to the throne of King Juan II of Aragon, will make Isabella co-ruler of Aragon when he ascends the throne upon his father’s death in 1479.
February 20 – The joint Spanish rulers of Castile and León, Queen Isabella and King Fernando, issue a decree of monetary reform at Segovia, setting a standard value for the real as 30 maravedí coins, and the dobla castellana as 870 maravedis.[4]
May 25 – Having invaded Castile, King Afonso V of Portugal is betrothed to his first cousin, Juana la Beltraneja, Princess of Asturias, who had been identified on May 9, 1462, as heir to the Castilian throne as the daughter of King Enrique IV, and claims his right to rule the Kingdom of Castile and León.[10] On May 30, Afonso and Juana then hold court at the small town of Toro for the former proclamation of themselves as joint rulers of Castile, an office held in the rest of the kingdom by Queen Isabella and King Fernando.[11]
June 27 – After an 11-month siege, Charles the Bold abandons the Siege of Neuss when an imperial relief army from the Holy Roman Empire approaches; a papal legate of Pope Sixtus IV threatens excommunication of both Charles and Emperor Frederick III should the fighting continue, allowing both rulers to withdraw without loss of honor.[14]
September 9 – The city of Köln (Cologne), already separate from the surrounding Köln is granted the status of a “free imperial city” by the Holy Roman Empire, with representation in the Imperial Diet and self-government within the Empire.
October 22 – In retaliation for the resistance of the village of Les Clées against the Swiss invasion of Vaud, the army of Bern destroys the city and kills the members of the garrison at the Vaud Castle.[18]
November 17 – The Emirate of Granada, led by the Emir Abu’l-Hasan Ali and now part of Spain’s Mediterranean coast, signs a peace treaty with the Spanish Kingdom of Castile and León, led by the joint monarchs Isabella and Fernando. In the agreement, Granada offers to assist the Castilians against any attempt by Portugal to invade the Castilian region, Córdoba, that borders Granada.[20]
December 2 – In the Spanish kingdom of Castile, the siege by Portugal of the Castle of Burgos ends with the commander of the garrison agreeing to surrender within 70 days, “the waiting period decreed by chivalric courtesy” and Queen Isabella enters the city to a welcoming crowd.[21]
^John Edwards, The Spain of the Catholic Monarchs 1474–1520 (Blackwell Publishers, 2000)
^Vaughan, Richard; Paravicini, Wener (2002). Charles the Bold: The Last Valois Duke of Burgundy. Woodbridge: The Boydell Press. p. 304. ISBN 9780851159188.
^“Money and its value”, in Chriatian Córdoba: The city and its region in the late Middle Ages, by John Edwards (The Library of Iberian Resources Online, 2001)
^Hernández Cardona, F. Xavier (2003). Història militar de Catalunya. Vol. III La defensa de la Terra [Military history of Catalonia, Vol. III: The defense of the territory] (in Catalan). Barcelona: Rafael Dalmau Editorial. pp. 35–39. ISBN 84-232-0664-5.
^Menéndez y Pidal, Ramón (1983). Historia de España, Tomo XVII, Volumen 1, La España de los Reyes Católicos. Editorial Espasa-Calpe SA. p. 116. ISBN 84-239-4819-6.
^Pat McGill, et al.,The Burgundian Army of Charles the Bold: The Ordonnance Companies and their Captains (Lincoln: Freezywater Publications, 2001), pp.8–15.