Battle of Oleshia
1223 battle of the Mongol invasion of Kievan Rus'
The Battle of Oleshia took place between the cavalry of Rus' princes and a unit of the Mongol Empire led by general Gemebek, in May 1223, near Oleshia (likely in modern-day Kherson Oblast, Ukraine); it ended in a Mongol defeat. The battle took place prior to the Battle of the Kalka River, which occurred on 31 May 1223.
Prelude
From 1218, the Mongol Empire had been at war with the Polovtsians, also known as Cumans. The Polovtsian tribes turned to Rus' princes for help in their war against the Mongols, to which the princes agreed. However, in April 1223, Mongol ambassadors arrived in Kiev (modern Kyiv), where they asked the Rus' to not interfere in the war. Upon the request of the Polovtsians, the Mongol ambassadors were executed. For the Mongols, this act was considered a major sin, to which they responded with great atrocities. However, the states invaded by the Mongols were unaware of the Mongol belief in the inviolability of diplomats, and execution of ambassadors was considered a normal practice in medieval Europe. In 1222 or early 1223, the Mongols invaded Crimea. Some Rus' princes with their Polovtsian allies gathered at Khortytsia island before crossing the left-bank of the Dnieper river, where they prepared for a battle near Oleshia.
The public source identifies “Battle of Oleshia” as 1223 battle of the Mongol invasion of Kievan Rus'. This brief keeps that definition visible, then builds a research path around Battle, Oleshia and battle.
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This entry incorporates text from “Battle of Oleshia” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.