Europe in 1914: The Powder Keg That Ignited World War I

Balkan Wars (1912–13)

Ottoman Empire defeated; its Balkan territories divided among Serbia, Bulgaria, Greece, escalating regional tensions.

Sarajevo Assassination (June 28, 1914)

Archduke Franz Ferdinand of Austria-Hungary killed by Serbian nationalist Gavrilo Princip.

July Crisis & Declarations of War

Austria-Hungary ultimatum to Serbia → partial acceptance → Austria declares war (July 28). Russia mobilizes → Germany declares war on Russia (Aug 1) and France (Aug 3). World War I begins.

These events turned a localized crisis into a global conflict.