Events in 1454

February 6, 1454

Thirteen Years' War

One of the most important military conflicts in medieval Polish history, lasting from 1454 to 1466. It began with the Act of Incorporation of Prussia into the Polish Crown by Casimir IV Jagiellon and ended with the Second Peace Treaty of Thorn.

September 14, 1454

Cerekwica-Nieszawa Privilege

The Cerekwica-Nieszawa Privilege was issued by King Casimir IV Jagiellon in 1454. This document significantly limited royal power in favor of the nobility, introducing, among others, a ban on imposing new taxes without the consent of local parliaments and the principle of personal inviolability of nobles.

September 18, 1454

Battle of Chojnice

Battle of Chojnice (September 18, 1454) - a crucial clash of the Thirteen Years' War between the forces of the Kingdom of Poland under the command of Casimir IV Jagiellon and the Teutonic Order. It ended in a devastating defeat for the Polish forces and forced a reform of the military system.