Serbia
Yes
Throughout The road to WW1, Germany's main ally was probably Aurstria-Hungary. This is because of Serbia and the assassination of Archduke Franz Ferdinand. Serbia was allied with Britain and Austria Hungary was allied with Germany. The war became mostly between Germany and Britain fromt then on.
State WW1 or 2
Serbia pre WW1
Russia helped Serbia when Serbia had rebelled
Russia was the first Allied Nation to mobilize troops against Austria-Hungary for its declaration of war on Serbia.
Russia, Great Britain, Italy, Serbia, Belgium, France, Monte Carlo,
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It was Germany, Austri-Hungary, and Serbia.
because he was heir to the Austrian-Hungarian Throne and was murdered by a serbian, so the hungarians (who were allied with Germany) declared war on Serbia who were allied with the Russians who were allied with great Britain and France and that's what started it.
France and Great Britain allied with Serbian during World War 1. Serbia was the first country to be attacked in World War 1.