The Polish nation began to form into a recognizable unitary and territorial entity around the middle of the 10th century under the Piast dynasty.
大约在10世纪中期的Piast王朝时期，波兰民族开始形成了统一的整体和国家。
The Polish nation began to form into a recognizable unitary and territorial entity around the middle of the 10th century under the Piast dynasty.
大约在10世纪中期的Piast王朝时期，波兰民族开始形成了统一的整体和国家。
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