Discover how Europe forged lasting peace after Napoleon’s era. This compelling study illuminates the birth of the first modern collective security system, a direct response to revolutionary terror following 1815. Through rich archival research and intimate correspondence of key leaders, Beatrice de Graaf chronicles Europe’s transformation into a stable order. It’s indispensable for Indian students and scholars of world history, political science, and international relations, offering vital insights into geopolitical security and enduring peace.