1463

January–March

• January 5 - French poet François Villon receives a reprieve from death by hanging, and is banished from Paris.
• February 6 - Otto II, Duke of Brunswick-Göttingen, a semi-independent principality within the Holy Roman Empire, dies after a reging of more than 68 years. Because Otto has no heirs, the Principality of Göttingen comes to an end and is annexed by the principality of Calenberg.
• February 22 - At the University of Cambridge in England, Henry Abyngdon becomes the first person in the world to receive a degree of Bachelor of Music
• March 10 - Henry Beaufort, 3rd Duke of Somerset receives a general pardon from King Edward IV of England after having had his lands confiscated for his support of King Henry VI in the War of the Roses. Beaufort's renewed status lasts only until the Battle of Hexham 14 months later and he is beheaded on May 15, 1464.
• March 26 - By order of Sultan Mehmed II of the Ottoman Empire, David Kommenos, the last Emperor of Trebizond, is arrested at Adrianople and put in jail along with his sons Basil, Manuel and Georgios and his nephew Alexios, on charges of conspiracy to overthrow the Ottoman imperial government.

  April–June

• April 3 - The Ottoman Army under the command of Isa Bey Ishaković captures the town of Argos, located in Greece but territory of the Republic of Venice, prompting concerns that the Ottoman Empire intends to spread their conquests to the Italian peninsula.
• April 28 - Pope Pius issues the papal bull In Minoribus Agnetes, retracting his earlier complaint against the late Pope Eugene IV and endorsing the previous work at the Council of Basel.
• May 19 - Battle of Ključ : Under the leadership of General Mahmud Pasha Angelović, the Ottomans begin the siege of the city of Babovac while King Stephen of Bosnia flees to the Jajce fortress.
• May 25 - The Kingdom of Bosnia falls to the Ottoman Empire as the last monarch, King Stephen Tomašević, is captured and executed by orders of the Sultan Mehmed II. According to the chronicle of Benedetto Dei, the Sultan himself carries out the beheading.
• June 18 - The free imperial city of Rottweil, part of the Holy Roman Empire and now a part of Germany, becomes an associate state of the Swiss Confederacy.

  July–September

• July 19 - The Treaty of Wiener Neustadt is signed between the Kingdom of Hungary and the Holy Roman Empire.
• July 28 - The Senate of the Republic of Venice votes to declare war on the Ottoman Empire.
• July 30 - In India, Muhammad Shah III Lashkari becomes the new ruler of the Bahmani Sultanate upon the death of his older brother, the Sultan Nizam-Ud-Din Ahmad III at Bidar
• August 1 - The Importation Act 1463, given royal assent on April 29 by King Edward IV goes into effect, setting a minimum price for imported grain at 6 shillings, 8 pence per unit. The legislation had been passed to encourage the purpose of farmers raising grain in England.
• August 14 - Upon the death of his father, Mani' ibn Rabi'a al-Muraydi, Rabi'a ibn Mani' al-Muraydi becomes the new ruler of the Emirate of Diriyah at its capital, Diriyah, near Riyadh in what is now Saudi Arabia.Munir al-Ajlani, History of Saudi Arabia, Part One: The First Saudi State . pp. 53–54. Mani's descendants in the House of Saud, most notably Mani's great-great-great-great-great-great-grandson Ibn Saud, become the founders of Saudi Arabia.
• August 20 - The Republic of Venice renews its 1448 peace treaty with Albania, pledging that any treaty between Venice and the Ottoman Empire will include a guarantee of Albanian independence. The amended treaty also guarantees the presence of Venetian Navy ships in the Adriatic Sea to protect Albania, as well as the right to asylum in Venice for Albanians.
• September 12 - Pope Pius II calls for all Christians to participate in a crusade against the Ottoman Empire.
• September 15 - Battle of Vistula Lagoon: The navy of the Prussian Confederation defeats that of the Teutonic Order.

  October–December

• October 8 - The Truce of Hesdin ends French support for the House of Lancaster in England.
• October 22 - Pope Pius II issues the papal bull Ezechielis prophetae, offering an indulgence to any Christians who take part in a crusade against the Ottoman Empire for at least six months or who donate funds to support it.
• November 1 - The last emperor of Trebizond, David Megas Komnenos, is beheaded in Constantinople two years after his capture by the Ottoman Empire, by orders of the Sultan Mehmed II, in addition to his sons Basil and Manuel and his daughter Anna and two other people.
• November 27 - Skanderbeg declares war on the Ottoman Empire and attacks its troops near Ohrid.
• December 1 - Mary of Guelders, Queen regent of Scotland for her 12-year-old son, King James III, dies at the age of 30, prompting the new regent, Bishop James Kennedy, to contact the former King Henry VI of England to mediate a peace between England and Scotland.

  Date unknown

• Muhammad Rumfa starts to rule in Kano.
• Corpus Hermeticum is translated into Latin, by Marsilio Ficino.