John II Casimir Vasa was king of Poland and grand duke of Lithuania from 1648 to 1668. His reign endured the Khmelnytsky Uprising, war with Muscovy and the Swedish invasion known as the Deluge, crises that devastated the Commonwealth and weakened royal authority.
Henryk Sienkiewicz’s With Fire and Sword is set in 1648 the Polish officer Jan Skrzetuski returns from a mission in the southern borderlands and unknowingly saves Bohdan Khmelnytsky, who is preparing a Cossack revolt against the Polish–Lithuanian Commonwealth. Henryk Sienkiewicz’s With Fire and Sword, Book II places John II Casimir Vasa within a narrative shaped by family, marriage and personal loyalty, empire, conquest and resistance, and social change and the pressures of ordinary life. Other novels featuring John II Casimir Vasa include Henryk Sienkiewicz’s With Fire and Sword, Book III.