Battle of Banja Luka
1737 CE.
Shown on the map at 44.767°, 17.183°.
The Battle of Banja Luka (Turkish: Banaluka Muharebesi, Serbo-Croatian: Banjolučki boj) took place in Banja Luka, Ottoman Bosnia, on 4 August 1737, during the Austro-Russian-Turkish War. An Austrian army under Prince Joseph Hildberghausen was defeated, as it attempted to besiege the town, when it ran into a large Ottoman relief force led by Italian vizier Hekimoğlu Ali Pasha. The Bosnian population was aware that Austrian forces would invade Bosnia during the war; to be exact, the energetic Bosnian vizier Hekimoğlu Ali Pasha predicted in 1737 that, without a declaration of war, a large Austrian army of over 14,000 soldiers would attack Bosnia. That was why he called a meeting in Travnik with the Bosnian captains and ayans to plan the defense. At this council, all captains and ayans ultimately demanded that all preparations for defense be carried out immediately, without the knowledge and consent of the Porte; thus, the Ottoman forces were planning the defense without the help of Istanbul. The vizier declared a defense in the territory of Bosnia, and quickly gathered about 10,000 soldiers in the grassland. All captains in the then Bosnian army responded to the call.
Text from the Wikipedia article Battle of Banja Luka, licensed CC BY-SA 4.0.