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Russia was the first Allied Nation to mobilize troops against Austria-Hungary for its declaration of war on Serbia.
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...
Serbia
Austria-Hungary's future king was assassinated.
The Archduke of Austria Franz Ferdinand was assassinated by a Bosnian-Serb. In retaliation Austria-Hungary gave Serbia an Ultimatum of demands designed to destroy Serbia's influence in Bosnia. Serbia rejected the Ultimatum and Austria-Hungary declared war on Serbia. Germany was Austria-Hungary's ally and agreed to assist Austria-Hungary in the invasion of Serbia. Russia, fearing an invasion of Serbia would end it's own influence in the Balkans began to mobilize for war. As a result, Germany declared war on Russia.
do you know when Britain declared war on Germany and austria-Hungary
Austria Hungary declared war on Serbia.
Check out http://www.firstworldwar.com/features/declarationsofwar.htm Here's how the dominos fell in WWI: Archduke Franz Ferdinand of Austria assassination on 28 June 1914 Austria-Hungary declared war on Serbia on 28 July 1914 Russia, Germany & France mobilize over the next few days. Germany declared war on Russia on 1 Aug 1914 Canada, France, Russia, Belgium, and the UK were all in a state of war with Germany, A-H within 2 weeks. Italy, Greece, Turkey and the USA entered the war somewhat later.
Austria-Hungary declared war on serbia and Germany joined because it was allied with austria.
Germany, austria-Hungary, the ottomons, Croatia
Austria-Hungary, declared war on Serbia
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