Fragmentation of Poland
E304534
UNEXPLORED
Fragmentation of Poland was a period of political decentralization and division into numerous semi-independent duchies that weakened the Polish state and its Piast rulers during the Middle Ages.
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
Leszek II the Black
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|
historicalPeriod |
|
Piast dynasty
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|
significantEvent |