# Bolesław IV the Curly - High Duke of Poland

URL: https://poland-history.com/rulers/boleslaw-iv-the-curly
Reign: 1146–1173
Born-Died: c. 1122 - 1173
Dynasty: House of Piast
Wikipedia: https://en.wikipedia.org/wiki/Boles%C5%82aw_IV_the_Curly

Senior duke who submitted to Frederick Barbarossa in 1157 but preserved the Piast realm's integrity.

## Succession
- Preceded by: [Władysław II the Exile](https://poland-history.com/rulers/wladyslaw-ii-the-exile)
- Succeeded by: [Mieszko III the Old](https://poland-history.com/rulers/mieszko-iii-the-old)

## Timeline events during this reign
- 1146 - [Władysław II the Exile expelled](https://poland-history.com/timeline/1146-wladyslaw-ii-the-exile-expelled)
- 1157 - [Frederick Barbarossa's campaign against Poland](https://poland-history.com/timeline/1157-frederick-barbarossa-s-campaign-against-poland)
- 1166 - [Crusade against the Prussians fails](https://poland-history.com/timeline/1166-crusade-against-the-prussians-fails)
- 1173 - [Mieszko III the Old becomes senior duke](https://poland-history.com/timeline/1173-mieszko-iii-the-old-becomes-senior-duke)