Battle of the Kalka River (Mongol Empire & Brodnici vs Principality of Kiev & Principality of Galicia-Volhynia & Principality of Chernigov & Principality of Smolensk & Cumans & Black Klobuks) took place in 1223 AD during Mongol invasions and conquests.
Wikipedia article on Battle of the Kalka River · Wikidata entry
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