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Great War
The first global conflict involving numerous nations from 1914 to 1918.
Gavrilo Princip
Serbian nationalist who assassinated Archduke Franz Ferdinand, igniting World War I.
Archduke Franz Ferdinand
Heir to Austro-Hungarian throne whose assassination triggered the war.
Triple Entente
Alliance of France, Great Britain, and Russia against the Central Powers.
Allies
Nations fighting alongside the Triple Entente during World War I.
Triple Alliance
Military alliance of Germany, Austria-Hungary, and Italy before the war.
Central Powers
Coalition during World War I primarily consisting of Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria.
Black Hand
Serbian nationalist organization aimed at ending Austro-Hungarian rule in the Balkans.
Militarism
Aggressive military buildup and glorification of military power preceding the war.
Secret alliances
Covert agreements between nations to support each other defensively.
Self-determination
The right of ethnic groups to form independent sovereign states.