It is wrong to think that Mongol-Tatars invaded Russia as a single state, because the state actually formed as a response to the invasion, to resist and overthrow it. It was Peter the Great who formally ended Russia’s tributes to the Khans. Knyaz’ Yaroslav II of Vladimir was poisoned by Güyük Khan’s wife. At the age of 67, Knyaz’ Mikhail of Chernigov was executed in the capital of the Golden Horde (Mongol khaganate) for refusing to worship Mongol idols. Knyaz’ Mikhail of Tver had his heart ripped out in the same capital, the chronicle says. The Russian population was forced...