Tuhia he tomokanga mō tēnei wāhanga - I muri i te whakaaetanga a Huitene ki tana hinganga nui tuatahi i te Pakanga o Nördlingen (1634)
, Ferdinand II, Holy Roman Emperor me etahi kawanatanga Porotetani i whakaoti i te Hau o Prague i te Mei 1635. Ko te Calvinist Brandenburg i whakaroa ki te haina, mai i te mea i tua atu i te whakakorenga o te Edict of Restitution, kaore i whakahuahia te manawanui o Calvinism. Hei whakauru i a Brandenburg, i whakaaria e Sweden me Ferdinand ki a ia te mana i roto i te Duchy o Pomerania hei utu.