# Conquest of Western Pomerania (1122)

URL: https://poland-history.com/timeline/1122-conquest-of-western-pomerania
Location: Pomerania
Categories: battle

Bolesław III subdued Pomerania including Szczecin, bringing its dukes under Polish overlordship. Within the broader Piast Monarchy period: Under Mieszko I and his successors the Piast state accepted Christianity, gained its own church province and royal crown, and fought to hold its place between the Holy Roman Empire, Bohemia and Kievan Rus'. At this point in the timeline (1122), the governing authority was Bolesław III Wrymouth (Duke of Poland). Defended Poland against the Emperor Henry V, conquered Pomerania and left a testament dividing the country among his sons. Conquest of Western Pomerania mattered because it changed the military or territorial balance and influenced the political choices that followed. The event is placed here so readers can follow it alongside changes in government, warfare, society, religion and culture across Polish history.

## Why it matters
Conquest of Western Pomerania mattered because it changed the military or territorial balance and influenced the political choices that followed.

Ruler at the time: [Bolesław III Wrymouth](https://poland-history.com/rulers/boleslaw-iii-wrymouth)

## Sources
- [Wikipedia — Bolesław III Wrymouth](https://en.wikipedia.org/wiki/Boles%C5%82aw_III_Wrymouth)
- [Encyclopaedia Britannica topic lookup — Conquest of Western Pomerania](https://www.britannica.com/search?query=Conquest+of+Western+Pomerania)
- [Wikipedia — History of Poland during the Piast dynasty (period overview)](https://en.wikipedia.org/wiki/History_of_Poland_during_the_Piast_dynasty)