Józef Kazimierz Kossakowski was a one of most interesting representives of catholic Church in Polish-Lithuanian Commonwealth in the end of XVIIIth century. Bishop and progressive author of literature, finished as traitor to hanged on the gibbet in times of Kościuszkoʼs insurgency. For recognise of his career itʼs necessary analyzing itʼs between 1772 and 1781, after the fall of the Bar Confederation. During that time developed political goals of churchman and his economic status; in this period also he became one of the most committed collaborators of Otto von Stackelberg, russian ambassador.
