Kalka River 1223

Genghis Khan's Mongols invade Russiax0Ax0AAuthors: David Nicolle, Viacheslav Shpakovskyx0AIllustrator: Victor Korolkovx0Ax0AIn 1221, Genghiz, Great Khan of the Mongols, ordered an armed reconnaissance expedition into Russia commanded by S?bodei Bahadur and Jeb