When the Tatars (or Mongols) spread westwards across the Russian steppes in the 13th century, they were able to exploit the divided the nine principalities of Rus, who failed to mount a united... Read More
The Map ArchiveThe Map ArchiveWhen the Tatars (or Mongols) spread westwards across the Russian steppes in the 13th century, they were able to exploit the divided the nine principalities of Rus, who failed to mount a united... Read More