Ka cika wannan jumlar: A shekara ta 1648, majalisar dokokin Poland ta zaɓi John Casimir ya gāji gadon sarautar Poland daga wurin ɗan'uwansa. Mulkin na karshe na Vasas a cikin Yaren mutanen Poland-Lithuanian Commonwealth zai mamaye yakin Russo-Polish (1654-67), sannan kuma yakin da Sweden ("
Ruwan Tsufana"), wanda aka tsara shi ta hanyar sarakunan Vasa biyu na baya. Yawancin sojojin Sweden sun mamaye yawancin Poland a lokacin Ruwan Tsufana ba tare da yaƙi da yawa ba, saboda haɗin gwiwar gwamnonin Poland da Lithuania da masarauta. A cikin 'yan shekaru kaɗan, Commonwealth ya tashi don tilasta wa Swedes daga Poland, yana kawo ƙarshen kutse da kamfen na ɗan gajeren lokaci, duk da haka, a babban farashi. Yawancin garuruwa da garuruwa a cikin Commonwealth an kori su, an sace su kuma wasu sun ƙone su zuwa ƙasa, galibi ta hanyar rukunin abokan gaba da ke komawa baya. Kodayake ana tunawa da mulkin John Casimir a matsayin daya daga cikin bala'in bala'i kuma watakila mafi rashin nasara a tarihin Poland da Yaren mutanen Poland-Lithuanian Commonwealth, ana yawan kiransa "sarkin jarumi" wanda ya yi yaƙi da jaruntaka don ceton al'ummarsa da mutanensa.