Thirteen Years' War between Poland and the Teutonic Order
- When
- 1454
- Where
- Prussian territories; Near Chojnice
- Episodes
- 2
The Thirteen Years' War (1454–1466) began when the Prussian Confederation rebelled against the Teutonic Order and sought Polish protection. King Casimir IV agreed to incorporate Prussia, leading to a prolonged conflict that included the Battle of Chojnice. The war concluded with the Second Peace of Thorn, which placed some Prussian territories under direct Polish rule and reduced the Teutonic state to a Polish fief.
Episodes
- Rebellion and Incorporation
The Prussian Confederation defies the Teutonic Order and pledges allegiance to Poland.
- Battle of Chojnice
Polish forces are defeated by the Teutonic Knights near Chojnice.
Background and detail
Outbreak of War. In early 1454, the Prussian Confederation formally defied the Grand Master and requested Polish protection. The rebellion began in February, freeing most of Prussia from Teutonic rule. In March, King Casimir IV accepted their petition, and delegates pledged allegiance, formalizing the incorporation of Prussia into the Polish Crown.
People involved
- Prussian Confederation · Rebelling estates seeking Polish protection
- Casimir IV Jagiellon · King of Poland and commander of the Polish army
- Teutonic Order · Defending monastic state
Sources
- Thirteen Years' War (1454–1466) Wikipedia, revision of 2026-08-22
- Second Peace of Thorn (1466) Wikipedia, revision of 2026-05-20
- Prussian Confederation Wikipedia, revision of 2026-08-14
- Battle of Chojnice (1454) Wikipedia, revision of 2026-08-24
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.