1448

• Nils Jönsson Oxenstierna
  are selected to serve as co-regents of Sweden.
• April 15 – Queens' College, Cambridge is founded by Margaret of Anjou.^[1]
• August 14 – Battle of Oronichea: Albania is victorious over Venice.
• June 20 – The Regency period of Sweden ends with the election of Karl Knutsson Bonde, as King Charles VIII of Sweden.
• June 28 – Charles VIII of Sweden is publicly hailed as king at Mora Stones, and is crowned in Uppsala Cathedral the following day.
• Queen Dowager Dorothea of Brandenburg, becomes King Christian I of Denmark
  .
• October 4 – Peace between Albania and Venice is established.
• October 17 – Battle of Kosovo: Hungarian forces under John Hunyadi are defeated by the Turks, due to Ottoman superiority.
• October–November –
  Vlad III the Impaler becomes reigning Prince of Wallachia for two months, before being deposed by Vladislav II of Wallachia
  .
• December 20 – Pope Nicholas V appoints Rudolf of Diepholt, Bishop of Utrecht, as cardinal.
• Grand Duchy of Moscow
  .

Date unknown

• Petru on the throne of Moldavia. Petru dies suddenly, and Csupor takes on the throne for two months, as Ciubăr Vodă
  .
• After a long episode of drought, flood, locust infestation and famine in Ming dynasty China since the year 1434, these natural afflictions finally wane, and agriculture and commerce return to a state of normality.
• The Vatican Library is founded by Pope Nicholas V.

Births

• February 14 – Nannina de' Medici, Florentine member of the de' Medici family (d. 1493)
• March 20 – Marie of Savoy, Countess of Saint-Pol, Luxembourgian noble (d. 1475)
• July 14 – Philip, Elector Palatine (d. 1508)
• Henry, Count of Württemberg-Montbéliard (1473–1482) (d. 1519
  )
• October 31 – Władysław II of Płock, Polish noble (d. 1462)
• Alphonso II of Naples (d. 1495
  )
• December 12 – John Talbot, 3rd Earl of Shrewsbury, English Earl (d. 1473)
• date unknown
  • Baeda Maryam of Ethiopia (d. 1478
    )
  • Nicholas I, Duke of Lorraine (d. 1473)
  • Suor Barbara Ragnoni, Italian painter (d. 1533)

Deaths

• King of Denmark, Norway and Sweden (b. 1418
  )
• Elizabeth de Beauchamp, Baroness Bergavenny, English baroness (b. 1415
  )
• September 23 – Adolph I, Duke of Cleves (b. 1373)
• October – Carlo II Tocco, ruler of Epirus
• October 12 – Zhu Quan, Prince of Ning, Chinese military commander, historian and playwright (b. 1378)
• Byzantine Emperor (b. 1390
  )
• date unknown
  • Petru III of Moldavia