Cika jumla mai zuwa:
Yaƙe-yaƙe na Galicia-Volhynia, an raba Masarautar Galicia-Volhynia tsakanin Poland da Lithuania. A cikin 1349 an canza ɓangaren Yaren mutanen Poland zuwa yankin Ruthenian na Crown, yayin da Duke na Volhynia ke hannun Yarima Lubart. Tare da mutuwar Casimir III Mai Girma, an ba da masarautar Poland ga masarautar Hungary kuma masarautar Ruthenian ta kasance ta hanyar Ruthenian starosta general, ɗaya daga cikinsu shine Wladyslaw na Opole.