"Suicide of Old Europe; or, Building the Pyramid of Errors. A Narrative of Certain Events in Europe During the Period 1912–1919" is the work of the famous author Christopher Birdwood Thomson, Baron Thomson. This book analyzes the tragic stages in the history of Europe between 1912 and 1919, which led to a series of mistakes and wrong decisions. The author examines in detail the political, social, economic and cultural aspects of that period, revealing the roots of major crises and conflicts. Through the lens of historical facts and documents Ch.B. Thomson talks about the self-hysterical decisions that led to the collapse and demise of Old Europe. "The Suicide of Old Europe" is not only a historical essay, but also a wise and inspired warning to avoid similar mistakes in the future.