CHAPTER VI.
THE GRAND PRINCES OF VLADIMIR, AND THE INVASION OF GENGHIS KHAN.
From 1212 to 1238.
Accession of Georges .-- Famine .-- Battle of Lipetsk .-- Defeat of Georges .-- His Surrender .-- Constantin Seizes the Scepter .-- Exploits of Mstislaf .-- Imbecility of Constantin .-- Death of Constantin .-- Georges III .-- Invasion of Bulgaria .-- Progress of the Monarchy .-- Right of Succession .-- Commerce of the Dnieper .-- Genghis Khan .-- His Rise and Conquests .-- Invasion of Southern Russia .-- Death of Genghis Khan .-- Succession of His Son Ougadai .-- March of Bati .-- Entrance into Russia .-- Utter Defeat of the Russians..