World War One Timeline By kaiiiii111 Jun 28, 1914 The Start of World War One World War One started on June 28th, 1914 when a Serbian patriot shot and killed Archduke Franz Ferdinand, the heir to the Austro-Hungarian empire.
World War One started on June 28th, 1914 when a Serbian patriot shot and killed Archduke Franz Ferdinand, the heir to the Austro-Hungarian empire.