Gavrilo Princip, (13 July 1894 28 April 1918) was the man who assassinated Archduke Franz Ferdinand of Austria and his wife, Sophie, Duchess of Hohenberg, in Sarajevo on 28 June 1914. Princip and his accomplices were arrested and implicated a number of members of the Serbian military, leading Austria-Hungary to issue a dmarche to Serbia known as the July Ultimatum. This set off a chain of events that led to World War I
