This book features a comprehensive historical account of the First World War (1914-1918) based on official sources, diplomatic and state papers. Contemporaneously known as the Great War or "the war to end all wars", it led to the mobilization of more than 70 million military personnel, including 60 million Europeans, making it one of the largest wars in history. It is also one of the deadliest conflicts in history, with an estimated nine million combatant deaths and 13 million civilian deaths as a direct result of the war, while resulting genocides and the related 1918 Spanish flu pandemic caused another 17-100 million deaths worldwide, including an estimated 2.64 million Spanish flu deaths in Europe and as many as 675,000 Spanish flu deaths in the United States. Contents: Indirect Causes of the War – Political and Diplomatic History of Europe from 1866 to 1914, with a Chapter on the Historical Development of Japan The Balkans Direct Causes of the War Diplomatic Papers Relating to the Origin of the War, Collated From the Official Documents Great Battles of the Western Armies Naval Operations The War on the Eastern Front The Austro-Serbian Campaign Austro-Russian Campaign Russo-German Campaign Turkey and the Dardanelles Russian and Turkish Campaign Japan and the Far East The War in Africa The Western Front Italy Enters the War The Dardanelles and Turkey The War in Africa War in Arabia, Mesopotamia, and Egypt War in Syria and Egypt Aggressive Turkish Campaign at Dardanelles Campaign in Mesopotamia The United States and the Belligerents Austrian Propaganda Operations on the Sea Campaign on the Eastern Front The Balkans Campaign in Mesopotamia and Persia Western Front – Somme and Verdun War in the Air and on the Sea The United States and Germany The Russian Revolution Eastern Front Campaigns in Palestine, Arabia Mesopotamia, and Africa The Western Front The Italian Campaign The Great War's End Victory on the Sea The American Army in France The Peace Conference at Paris The Story of Canada in the Great War