CHAPTER X.
THE ILLUSTRIOUS IVAN III.
From 1462 to 1480.
Ivan III .-- His Precocity and Rising Power .-- The Three Great Hordes .-- Russian Expedition Against Kezan .-- Defeat of the Tartars .-- Capture of Constantinople By the Turks .-- The Princess Sophia .-- Her Journey To Russia, and Marriage With Ivan III .-- Increasing Renown of Russia .-- New Difficulty With the Horde .-- The Tartars invade Russia .-- Strife On the Banks of the Oka .-- Letter of the Metropolitan Bishop .-- Unprecedented Panic .-- Liberation of Russia..