World War I
Triple Entente
Triple Alliance
Sarajevo Crisis
Gavrilo Princips
Archduke Francis Ferdinand
Schlieffen Plan
Battle of Marne
Battle of Verdun
Battle of Somme
Technology
Battle of Tannenberg
Battle of Massurain Lakes
Galipoli Campaign
Battle of Jutland
Lusitania
Laconia
Zimmermann Telegraph
John J. "Black Jack" Pershing
Woodrow Wilson
Clemenceau
Lloyd George
Orlando (Italy)
Fourteen Points
League of Nations
Treaty of Versailles