: Klaić challenges traditional nationalistic interpretations (Serbian, Croatian, and Hungarian) of Bosnian history, arguing for the early and independent political organization of the Bosnian territory.

Originally published posthumously in , this book is considered a critical revisionist piece in Bosnian medieval historiography. Key Features of the Work

: It highlights the complex relations between Bosnia and its neighbors, including the Arpadović dynasty (Hungary), the Byzantine Empire, and the Papacy.

Political rise in the 14th century (notably under Stjepan II Kotromanić). The peak of the state during Ban Tvrtko's reign.

This book remains a foundational text for researchers studying the and the transition from the Banate of Bosnia to the Bosnian Kingdom .