Austrian Archduke Francis Ferdinand and his wife, Sofia, were assassinated in Sarajevo by a Serb nationalist. The event triggered World War I. Five years later to the day, the Treaty of Versailles was signed in France, ending the war. The picture shows, left to right, the “Big Four”: David Lloyd George of Britain, Vittorio Orlando of Italy, Georges Clemenceau of France, and Woodrow Wilson of the US, the principal architects of the Treaty of Versailles. __
