 Kọ itẹsiwaju fun paragirafi yii - Ninu adehun ti Oliva ni ọdun 1660, John Casimir nikẹhin kọ awọn ẹtọ rẹ si ade Swedish, eyiti o pari ija laarin Sweden ati Commonwealth ati lẹsẹsẹ ti o tẹle ti awọn ogun laarin awọn orilẹ-ede wọnyẹn Ogun lodi si Sigismund : 15981599, ogun PolishSwedish 16001629 ati Ogun Ariwa 16551660. 