World War 1 By kieraShanyaa Jun 28, 1914 Assassination of Archduke Ferdinand {Archduke Ferdinand}(https://www.history.com/news/the-assassination-of-archduke-franz-ferdinand-100-years-ago) Jul 28, 1914 Austria-Hungary declares war on Serbia. Austria-Hungary declares war on Serbia Aug 1, 1914 Germany declared war on Russia [Germany declared war on Russia](https://www.loc.gov/rr/news/topics/ww1declarations.html0 Aug 23, 1914 japan declares war on germany japan declares war on germany
