1454

Years: 1451 1452 1453 - 1454 - 1455 1456 1457
Decades: 1420s 1430s 1440s - 1450s - 1460s 1470s 1480s
Centuries: 14th century - 15th century - 16th century

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
April 18 Treaty of Lodi: Francesco Sforza forms a triple alliance between the duchy of Milan, republic of Florence and kingdom of Naples
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
The press of Johannes Gutenberg (at Mainz on the Rhine) produces the first printed documents bearing a date

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