Kammala wannan jumla: Sabon sojojin Brandenburg-Prussia sun tsira daga gwajin wuta ta hanyar nasara a 1656
Yaƙin Warsaw, a lokacin Yakin Arewa. Masu sa ido sun burge da horo na sojojin Brandenburger, da kuma yadda suke bi da fararen hula, wanda aka ɗauka ya fi na abokansu, sojojin Sweden. Nasarar Hohenzollern ta ba Frederick William damar ɗaukar ikon mallakar Duchy na Prussia a cikin Yarjejeniyar Wehlau ta 1657, wanda Brandenburg-Prussia ta haɗu da ita tare da Polish-Lithuanian Commonwealth. Duk da cewa ya kori sojojin Sweden daga yankin, mai zaben bai sami Vorpommern a cikin Yarjejeniyar Oliva ta 1660 ba, saboda an sake daidaita ikon.