Map of Russia in 1237
<a href="//commons.wikimedia.org/wiki/User:Hellerick" title="User:Hellerick">Hellerick</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Hellerick" title="User talk:Hellerick">talk</a>)
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>