1454
| Years: 1451 1452 1453 - 1454 - 1455 1456 1457 | |
| Decades: 1420s 1430s 1440s - 1450s - 1460s 1470s 1480s | |
| Centuries: 14th century - 15th century - 16th century | |
Events
- February 4 - In the Thirteen Years' War, the Secret Council of the Prussian Confederacy sends a formal act of disobedience to the Grand Master.
- March 6 - Casimir IV of Poland renounces allegiance to the Teutonic Knights
- March 27 - Richard Plantagenet, Duke of York becomes Protector for the insane King Henry VI of England
- September 18 - In the battle of Chojnice, the Polish army is defeated by a smaller but more professional Teutonic army during Thirteen Years' War.
- December - King Henry having regained his sanity, the Duke of York is dismissed as Protector
- Francesco Sforza forms a triple alliance between the duchy of Milan, republic of Florence and kingdom of Naples
Births
- March 9 - Amerigo Vespucci, explorer and cartographer (d. 1512)
Deaths
ca:1454
da:1454
de:1454
es:1454
eo:1454
fr:1454
nl:1454
pl:1454
ro:1454
sl:1454
fi:1454