Stroganov suggested to their chief Yermak, hired in 1577, to conquer the Khanate of Sibir, promising to help him with supplies of food and arms.
Stroganov i-a sugerat atamanul cazacilor, Yermak, angajat in 1577, sa cucereasca hanatul Sibir, promitand ajutor in provizii de hrana si arme.