After the Austro-Hungary monarchy declared war on Serbia, France and Russia who were protecting Serbia declared war on Austria-Hungary. and then Germany declared war on Russia and France, then UK declared war on Germany...
Austria Hungary declared war on Serbia.
do you know when Britain declared war on Germany and austria-Hungary
Austria-Hungary, declared war on Serbia
Germany, austria-Hungary, the ottomons, Croatia
Everything!!!
Austria-Hungary declared war on Serbia at the start of World War I.
Austria-Hungary declared war on serbia and Germany joined because it was allied with austria.
Austria-Hungary, with the death of Archduke Ferdinand, declared war on Serbia, which caused a chain reaction of war induced countries. Austria Hungary to Serbia, then Russia to Germany, United Kingdom and so on.
Serbia Serbia
Serbia was in WWI because Austria-Hungary declared war on them.
The 1st country to declare war on Serbia was Austria-Hungary.