The End of the Second Northern War in the Mirror of the Imperial Diplomacy. Franz Karl I. Liebsteinsky of Kolowrat and his Mediation of the Peace of Oliwa 1660.

The aim of the bachelor work is to reconstruct the role of the Emperor's diplomat Franz Karl I. Liebsteinsky from Kolowrat in the peace talks in Oliva, which led to the end of the Polish-Swedish war, which took place between 1655 and 1660. For this purpose, the basic literature on the First Northern War is presented. Also the course of this conflict, from its causes to its consequences, with special consideration to the imperial side. Above that, the work presents general concepts of diplomacy and the development of imperial diplomacy in early modern times, especially in relation to the Poland. The work compares sources that exist, in general and are related to this topic with those available in selected Czech archives. Comparsion is aimed to explanation of theirs activities of imperial diplomats. The personalities of the ambassadors are presented on the basis of literature,published and unpublished sources, with the person of Franz Paul Lisola, considering into account his diplomatic career and with the person of Franz Karl of Kolowrat considering an overview of his life, his family and his career. Above all, the work is focused on the person of the second named, on his journey to Poland, and on his presence on the Polish court from the first audience with King and Queen, through the interim..