1479

January–March

• January 20 - Fernando II already co-ruler of Crown of Castile with his wife, Isabella I, becomes the King of Aragon upon the death of his father, King Juan II of Aragon and Navarre. He and Isabella rule together over Aragon and Castile, unifying the two kingdoms and controlling most of the Iberian Peninsula. At the same time, King Juan's daughter, Leonor de Trastámara, who had served as regent during times when her father was away fighting in war, becomes Queen of Navarre.
• January 25 - The Treaty of Constantinople is signed between the Ottoman Empire and Republic of Venice, ending 16 years of war between the two powers; Venice will cede Negroponte, Lemnos and Shkodër, and pay an annual sum of 10,000 gold ducats.
• January 28 - Leonor de Trastamara, who had served as regent of the Kingdom of Navarre in Spain during the absence of her father, Juan II, is crowned at Tudela. She dies 15 days later at the age of 53.
• February 12 - Francisco Febo becomes the King of Navarre at the age of 11 upon the death of his grandmother, Queen Leonor. Francisco's mother, Magdalena of Valois, serves as regent.
• March 26 - Matthias Corvinus, King of Hungary, concludes a treaty with the Swiss Confederacy hindering the recruitment of Swiss mercenaries by the Emperor.

  April–June

• April 2 - The Peace of Olomouc is signed between King Matthias Corvinus of Hungary and King Vladislaus II of Bohemia, bringing the Bohemian–Hungarian War to an end.
• April 25 - The ratification of the Treaty of Constantinople in Venice ends the Siege of Shkodra after fifteen months, and brings all of Albania under the Ottoman Empire.
• May 13 - Christopher Columbus, an experienced mariner and successful trader in the thriving Genoese expatriate community in Portugal, marries Felipa Perestrelo Moniz, and receives as dowry her late father's maps and papers, charting the seas and winds around the Madeira Islands, and other Portuguese possessions in the Ocean Sea.
• June 1 - The University of Copenhagen is inaugurated by King Christian I of Denmark, seven months after he had issued a royal decree on October 4 establishing its creation.

  July–September

• July 21 - The Peace of Olomouc is ratified by King Matthias and King Vladislaus during festivities in Olomouc.
• August 7 - The Battle of Guinegate is fought in the Duchy of Burgundy at what is now the French town of Enguinegatte, as at least 12,000 French infantry, 4,000 cavalry and 8,000 archers commanded by Philippe de Crèvecœur d'Esquerdes are confronted by Maximilian, Duke of Burgundy whose 16,000 men have superior weapons, including the pike. With 11,000 troops grouped in formations of 100 men apiece using the pike square formation" borrowed from Switzerland, the Burgundian troops defeat the French invasion.
• September 4 - The Treaty of Alcáçovas is signed between the Catholic Monarchs of Castile and Aragon on one side, and the King of Portugal and his son on the other side, ending the four-year War of the Castilian Succession.

  October–December

• October 13 - In the Battle of the Breadfield, the army of the Kingdom of Hungary, led by Pál Kinizsi and István Báthory, defeats the army of the Ottoman Empire and Transylvania and Hungary, leaving at least 10,000 Ottoman Turks dead.
• November 5 - Grand Admiral Gedik Ahmed Pasha of the Ottoman Navy gives the order to ravage the Greek island of Zakynthos, at the time a territory of the Republic of Venice, and the Ottoman troops destroy most of the island's churches and monasteries and many of its dwellings.
• December 19 - The surviving suspect in the Pazzi conspiracy and April 26, 1478, assassination of Giuliano de' Medici in the Republic of Florence, is executed after being returned to Florence by order of the Ottoman Sultan Mehmed II. The conspirator, Bernardo Bandini dei Baroncelli, is hanged from a window of the Palazzo del Popolo, Florence's "Palace of the People".

  Ongoing

• The plague breaks out in Florence.
• Johann Neumeister prints a new edition of Juan de Torquemada's Meditations, or the Contemplations of the Most Devout.