The Rise of the Mongol Empire

After the death of slav in ten 54, kievrus as a coherent political entity started to fracture. Laws and legal codes began to replace old methods just personal vengeance. The decline of kievrus unity could not have come at time because it led them straight into the monumental global event of the late twelfth and early thirteenth centuries. In europe, the mongol invasion is treated as one of the great what if moments in history in russia. It is not. There is no what if.