Battle of Jaroslawice

The Battle of Jaroslawice was the only major, division-size cavalry battle during World War I. It was fought on August 21, 1914 between the Austria-Hungary under and the Russian 10th Cavalry Division under general Fyodor Arturovich Keller. The battle took place between the villages of Jaroslawice and Wolchkowce near Zborów.
Involving thousands of cavalry on the both sides, it was arguably the last massive cavalry engagement in European history.
Despite the considerable advantage in manpower and initial position, von Zaremba suffered large losses, was removed from command and court-martialed.