The July Crisis By mendocai000 Jul 6, 1914 Germany supports Austria Jul 20, 1914 France supports Russia Jul 23, 1914 Austria issues demands to Serbia Jul 25, 1914 Serbia mobilizes troops (Russia does as well for support) Jul 27, 1914 Britain sends out naval fleet Jul 28, 1914 Austria declares war on Serbia Jul 30, 1914 Tsar Nicholas II sends out full mobilization of Russian troops Aug 1, 1914 Germany declares war on Russia Aug 3, 1914 Germany declares war on France Aug 3, 1914 Britain Declares war on Germany Aug 3, 1914 Germany crosses Belgium borders