Weegy: Asassination of Archduke Franz Ferdinand of Austria one of the triggers for World War I. [ une 1914, it began with the assassination of Archduke Franz Ferdinand of Austria and his wife by a Serbian nationalist of the secret society the Black Hand, Gavrilo Princip. After that, the webs of alliances between nations in Europe began evolve into two sides. Shortly after the event, Austria-Hungary declared war against Serbia. Germany then declares war on Russia, then France. Britain against Germany and Austria-Hungary. ] (More)