<P> In mid-1238 , Batu Khan devastated the Crimea and pacified Mordovia . In the winter of 1239 , he sacked Chernigov and Pereyaslav . After many days of siege , the horde stormed Kiev in December 1240 . Despite the resistance of Danylo of Halych , Batu Khan managed to take two of his principal cities , Halych and Volodymyr - Volynskyi . The Mongols then resolved to `` reach the ultimate sea '' , where they could proceed no further , and invaded Hungary and Poland . </P>
<P> In mid-1238 , Batu Khan devastated the Crimea and pacified Mordovia . In the winter of 1239 , he sacked Chernigov and Pereyaslav . After many days of siege , the horde stormed Kiev in December 1240 . Despite the resistance of Danylo of Halych , Batu Khan managed to take two of his principal cities , Halych and Volodymyr - Volynskyi . The Mongols then resolved to `` reach the ultimate sea '' , where they could proceed no further , and invaded Hungary and Poland . </P>
who led the mongols into russia and conquered kiev
who led the mongols into russia and conquered kiev
Batu Khan
Batu Khan