Battle of Vedrosha
The Battle of the Vedrosha River was a battle in the course of the Russo-Lithuanian war of 1500–1503 which ended with a decisive Russian victory and proved to be of strategic significance. It was carried out on 14 July 1500, some 50 km to the west of Kaluga, between forces of the Grand Duchy of Lithuania, under command of Prince Konstantin Ostrozhsky and Russian (Muscovite) army under Prince Daniil Shchenya.