Skip to content
Curated category

1240s in the Mongol Empire

  • Siege of Kiev (1240)Batu Khan and the Mongols began their invasion in late 1237 by conquering the northeastern Rus' Principality of Ryazan. Then, in 1238 the Mongols went…
  • Mongol invasion of Kievan Rus'On the 31st of May 1223, a Mongol army met the forces of several principalities and the remnants of the Cumans under Köten at the Battle of the Kalka River.