Events of 1448

• January 5/6 – Christopher of Bavaria, King of Denmark, Norway and Sweden dies with no designated heir, leaving all three kingdoms with vacant thrones. Brothers Bengt Jönsson Oxenstierna and Nils Jönsson Oxenstierna are selected to serve as co-regents of Sweden.

• 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.

• September 28 – Christian of Oldenburg, betrothed to Queen Dowager Dorothea of Brandenburg, becomes King Christian I of Denmark.

• October 17 – Battle of Kosovo: Hungarian forces under John Hunyadi are defeated by the Turks due to the treachery of Prince Dan of Wallachia and George Brankovic of Serbia.

• Queens' College, Cambridge is founded by Margaret of Anjou.

• The Vatican Library is founded by Pope Nicholas V.

• Vlad III the Impaler becomes reigning Prince of Wallachia for two months before being deposed by Vladislav II.

• 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.

Births

• November 4 – King Alphonso II of Naples (d. 1495)

• date unknown

• *Baeda Maryam of Ethiopia (d. 1478)

• *Nicholas I, Duke of Lorraine (d. 1473)

Deaths

• January 6 – Christopher of Bavaria, King of Denmark, Norway and Sweden (b. 1418)

• September 23 – Adolph I, Duke of Cleves (b. 1373)

• October 31 – John VIII Palaeologus, Byzantine Emperor (b. 1390)

• date unknown – Zhu Quan, Prince of Ning, Chinese general (b. 1391)