Battle of Manzikert
1915 CE.
Shown on the map at 39.148°, 42.544°.
The Battle of Manzikert or Battle of Malazgirt (Russian: Битва при Манцикерте Bytva pri Mantsikerte; Turkish: Malazgirt Muharebesi) took place during the Caucasus Campaign of World War I, over the period July 10–26, 1915. Even though losses were heavy on both sides, the Russians retreated north and the Turks retook Malazgirt then they further advanced towards Karakilise where they were defeated on 5–8 August at the Battle of Kara Killisse.
Text from the Wikipedia article Battle of Manzikert (1915), licensed CC BY-SA 4.0.