Identifying the causes of World War I remains a debated issue. World War I began in the Balkans on 28 July 1914, and hostilities ended on 11 November 1918, leaving 17 million dead and 25 million wound
Grave implications of the assassination were immediately recognized, as in this 29 June article with subtitles "War Sequel?" and "War May Result", and stating the assassination was "engineered by persons having a more mature organizing ability than that of the youthful assassins".
American cartoon showing territorial dispute between France and Germany over Alsace-Lorraine, 1898
French troops in Morocco, 1912
The Anglo-German naval arms race became a considerable source of tension between Germany and Britain prior to World War I. Royal Navy warships pictured above in battle formation.
The July Crisis was a series of interrelated diplomatic and military escalations among the major powers of Europe in mid-1914, which led to the outbreak of World War I. It began on 28 June 1914 when t
Illustration of the assassination in the Italian newspaper La Domenica del Corriere, 12 July 1914
The accused in court. Front row, from left: 1. Trifko Grabež, 2. Nedeljko Čabrinović, 3. Gavrilo Princip, 4. Danilo Ilić, 5. Miško Jovanović.
Austro-Hungarian postcard made after the assassination of Archduke Ferdinand depicting an Austrian fist crushing an ape-like caricature of a Serbian holding a bomb and dropping a knife, and stating "Serbia must die!" (Sterben purposefully misspelled as sterbien to make it rhyme with Serbien.)
Emperor Franz Joseph was 84 years old in 1914. Though disturbed by the murder of his heir and nephew, Franz Joseph largely left decision-making during the July Crisis to foreign minister Leopold Berchtold, army chief of staff Franz Conrad von Hötzendorf, and the other ministers.