The Battle of Kolubara, was fought between Austria-Hungary and Serbia in November and December 1914, during which campaign of World War I was fought from late July 1914, when Austria-Hungary invaded the Kingdom of Serbia at the outset of World War I, until the war's conclusion in November 1918?
Serbian Campaign of World War I The Serbian Campaign of World War I was fought from late July 1914, when Austria-Hungary invaded the Kingdom of Serbia at the outset of World War I, until the war's conclusion in November 1918. The front ranged from the Danube River to southern Macedonia and back north again, and it drew in forces from almost all the combatants of the war.
Second Army (Serbia) The Serbian Second Army (Serbian: Српска Друга Армија / Srpska Druga Armija ) was a Serbian field army that fought during the Balkan Wars and World War I.