Disambiguation evidence for Kingdom of Poland via surface form

"Kingdom of Poland (Piast period)"

Triples (2)

Triples where some other subject referred to this entity as "Kingdom of Poland (Piast period)".

Piasts of Sieradz → state →
"Kingdom of Poland (Piast period)"
↳ resolves to Kingdom of Poland
ⓘ
Henry IV the Faithful → allegiance →
"Kingdom of Poland (Piast period)"
↳ resolves to Kingdom of Poland
ⓘ