The course aims to introduce students to the main historical and analytical approaches to the history of international relations between the 19th and 21st centuries. More specifically, the course will review the main historical and theoretical issues in the evolution of the international system from the crisis of the Concert of Europe until the formation, evolution, and crisis of the World Concert in the 19th and 20th centuries. It will also address the strategies of the major world and European powers and the main steps in the European integration process.