World War 1 Timeline By AlexanderCook@usd204.net Jun 28, 1914 Assassination. The assassination of Archduke Franz Ferdinand by a Syrian supremacist. Period: Jun 28, 1914 to Nov 11, 1918 World War 1 Aug 4, 1914 Aug 4, 1914 World War I Begins Germany invades Belgium and starts The Great War Feb 25, 1917 The Zimmerman telegram.
