28. June 1914. on Serbian holiday Vidovdan and yes it's a date of beginning of WWI
to protect Serbia and unify the Russian people
WW1 actually started as a conflict between the small country of Serbia and Austria-Hungary because Serbia supported the assasination of the Archduke or Austria-Hungary. Because Serbia was in an alliance with Britain, it had an obligation to enter the war, along with many other countries that entered on both sides of the intricate system of alliances that made up Europe and caused World War 1.
Serbia Serbia
Serbia was in WWI because Austria-Hungary declared war on them.
No, Serbia was not part of Russia during World War 1. Serbia was an independent country that was allied with Russia during the war.
Serbia
Serbia
Yes, Russia supported Serbia during World War 1.
1914. Austria Hungary was actually the country that started the war with their declaration of war on Serbia (after Serbs killed the heir to the Austrian throne).
Austria-hungary attacked Serbia
Germany was the first country to declare war on Serbia in World War 1. The other countries were pulled into the war because the had alliances with either Serbia or Germany.
The 1st country to declare war on Serbia was Austria-Hungary.