June 1914: Assassination of Archduke Franz Ferdinand of Austria-Hungary in Bosnia triggered a series of events leading to World War I.
European Alliances: Nations had entered alliances for mutual protection and military support, especially related to colonial conflicts in Africa and Asia.
Alliance Activation: After Austria-Hungary declared war on Serbia:
Allied Powers: Britain, France, Russia, Japan, others.
Central Powers: Germany, Austria-Hungary, Ottoman Empire.
Popularity of War in Europe
War was initially popular; lots of enthusiasm among Europeans.
French Response: 98.5% of conscripted men appeared for duty, higher than expected.
Historical Context: Europe hadn’t seen large-scale war since Napoleon, with recent wars (Crimean, Franco-Prussian) being limited in scope.