Eleventh Battle of the Isonzo
1917 CE.
Shown on the map at 45.800°, 13.533°.
The Eleventh Battle of the Isonzo was a World War I battle fought by the Italian and Austro-Hungarian Armies on the Italian Front between 18 August and 12 September 1917.
Text from the Wikipedia article Eleventh Battle of the Isonzo, licensed CC BY-SA 4.0.