WORLD WAR 1 TO WORLD WAR 2 By williambarnette Jun 28, 1914 ASSASINATION OF ARCH DUKE FERDINAND http://www.clarke.k12.ga.us/files/36975/bhl%202014-2015%20bell%20schedule.pdf Jul 5, 1914 Austria-Hungary seeks German support for a war against Serbia in case of Russian militarism. Germany gives assurances of support. Jul 23, 1914 Austria-Hungary sends an ultimatum to Serbia. The Serbian response is seen as unsatisfactory. Jul 28, 1914 Austria-Hungary declares war on Serbia. Russia mobilizes. Jul 31, 1914 Germany warns Russia to stop mobilizing. Russia says mobilization is against Austria-Hungary only.
