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.
1913 in Italy The First Balkan War (October 1912 – May 1913) of the Balkan League (Bulgaria, Serbia, Greece and Montenegro) against the Ottoman Empire. As a result of the war, the allies captured and partitioned almost all remaining European territories of the Ottoman Empire. Ensuing events also led to the creation of an independent Albanian state. Despite its success, Bulgaria was dissatisfied over the division of the spoils in Macedonia, which provoked the start of the Second Balkan War (June–August 1913).  After the withdrawal of the Ottoman army from Libya after the Italo-Turkish War the Italians could easily extend their occupation of the country, seizing East Tripolitania, Ghadames, the Djebel and Fezzan with Murzuk during 1913.