Battle of the Vikhra River
1386 CE.
Shown on the map at 54.028°, 31.737°.
The Battle of the Vikhra River took place on 29 April 1386 on the Vikhra River, a tributary of the Sozh, near Mstislavl, between the Grand Duchy of Lithuania and the Principality of Smolensk. The Lithuanians achieved a decisive victory and Smolensk was forced to accept being a vassal of Lithuania.
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