World war I By Terrence Bell Jr Jun 28, 1914 Assassination of the Archduke Ferdinand Assassination of the Archduke Ferdinand Jul 28, 1914 Austria-Hungary declares war on Serbia Austria-Hungary declares war on Serbia Aug 1, 1914 Germany declares war on Russia Germany declares war on Russia Aug 3, 1914 Germany declare war on France Germany declare war on France Aug 4, 1914 Germany invades Belgium Germany invades Belgium Jun 28, 1919 Treaty of Versailles Treaty of Versailles
