28 July 1914 - Austria-Hungary declares war on Serbia 6 August 1914 - Austria-Hungary declares war on Russia 23 Maj 1915 - Italy declares war on Austria-Hungary
Austria-Hungary.
July 28th 1914
Austria Hungary sought support from Germany, and on 6 July 1914 the German government gave this support and encouraged Austria Hungary to deal with Serbia
Austro-Hungary was ruled by an Emperor from the Habsburg family in 1914.
Austria-Hungary controlled Bosnia from 1878 to 1914.
Emperor Franz Josef I
Yes it did, from 1878 to 1914.
Serbia
Austria-Hungary started the war, therefore they entered the war July 28 1914.
The empire of Austria-Hungary, in 1914.
France declared war on Austria-Hungary.