Tuhia he tomokanga mo tenei whitianga - I te waenganui o te rautau 14, ko te Kingi o Poland i whakahaerea e Casimir III te Nui. Ko tēnei wā i tino tohuhia e te whakarerekētanga hōia me te ture, te hekenga nui o nga Hurai, me te whakawhānui ki te rawhiti
ki Galicia ki Volhynia. I mua i roto i te kāwanatanga ngoikore, te kingitanga o Casimir III nui tukua Poland ki te pai i roto i te wa o te kore pumau, me te mamae mo te toenga o te whenua.