Battle of Kostiuchnówka
The Battle of Kostiuchnówka was a World War I battle that took place July 4–6, 1916, near the village of Kostiuchnówka and the Styr River in the Volhynia region of modern Ukraine, then part of the Russian Empire. Wikipedia
Location: Kostyukhnivka
Dates: Jul 4, 1916 – Jul 6, 1916