Russia considered itself "Protector of the Slavic People," and the Serbs were Slavic. Thus, Russia felt an obligation to help. Of course, this reason was probably simply the Propaganda reason (i.e., the reason the Tsar told his people they needed to come to Serbia's aid).
Yes, Russia supported Serbia during World War 1.
Russia chose to support Serbia during World War I because of their shared Slavic heritage and historical ties. Russia saw Serbia as a fellow Slavic nation and felt a sense of duty to protect and support them against the aggression of Austria-Hungary. Additionally, Russia saw an opportunity to expand its influence in the Balkans by supporting Serbia.
When Russia found out that Austria-Hungary was declaring war on Serbia, they came into alliance with Serbia for several reasons.
Russia supported Serbia in World War 1 because of their shared Slavic heritage and cultural ties. Russia saw Serbia as a fellow Slavic nation and felt a sense of duty to protect and support them against the aggression of Austria-Hungary. Additionally, Russia viewed Serbia as a potential ally in the Balkans, which was a strategically important region for Russian interests.
Russia <3 Joella
Russia's main reason for supporting Serbia during the conflict was due to their shared Slavic heritage and historical ties, as well as Russia's strategic interests in maintaining influence in the Balkans.
Russia helped Serbia when Serbia had rebelled
Germany, Austria/Hungary, and Italy by the Triple Alliance!!
Russia was compelled to aid Serbia against Australia.
No, Serbia was not part of Russia during World War 1. Serbia was an independent country that was allied with Russia during the war.
The question doesn't specify, but I assume you're referring to World War One. The war began between Serbia and Austria-Hungary. Russia was an ally to Serbia, thus they jumped in to support their ally.
29 July, 1914; the day following the Austro-Hungary declaration of war.