4. Leader of the Ukrainian Cossacks
Bohdan Khmelnytsky was leader of the Ukrainian Cossacks.
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Zynoviy Bohdan Khmelnytsky was the Ukrainian Hetman of the Zaporozhian Host, and then in the Polish Crown of the Polish-Lithuanian Commonwealth.
He led a revolt against the Commonwealth and its leaders which led to the formation of a Cossacks-led empire. Read more