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Intro. You and your old friend, Cossacks, and having learned that ataman Yermak Timofeevich was gathering an army against the Siberian Khan, you immediately went to him. As a result, your army numbered 540 people. Having reached Kashlyk, 300 archers were sent to help you

The campaign of Ermak Timofeevich to the Siberian Khanate 1581

@Нестор