ENThe presentation-based article focuses on the idea in the Lithuanian historiography, stating that in the 13th c. the Samogitian society may have tried to isolate itself from the rest of the Lithuania or, on the contrary, to develop its own authority structures and try to compete with the already-existing similar structures in Lithuania. According to the results, the analysis of the most important Samogitian societal transformations of the 13th c. shows that there were no attempts to form any authority structures that would compete with similar structures in Lithuania. In the 6th decade of the 13th century Samogitians transformed the integrative concept used since the beginning of the century and adapted it to changing circumstances.