1448
| Years: 1445 1446 1447 - 1448 - 1449 1450 1451 | |
| Decades: 1410s 1420s 1430s - 1440s - 1450s 1460s 1470s | |
| Centuries: 14th century - 15th century - 16th century | |
- 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.
- Vatican Library founded by Pope Nicholas V.
- Vlad III Dracula becomes reigning Prince of Wallachia for two months before being deposed by Vladislav II.