Mongols take over the Kievan states. (31 dic 1237 año – 19 sept 1240 año)
Descripción:
In 1237 Mongols took over the area. For more than 150 years, the Mongols reigned supreme. But in the late 1300's Russian princes began two centuries of fighting to kick the Mogols out.Añadido al timeline:
fecha:
31 dic 1237 año
19 sept 1240 año
~ 2 years and 8 months