The History of the Decline and Fall of the Roman Empire, by Edward Gibbon

Chapter LVIII: The First Crusade

Origin And Numbers Of The First Crusade.—Characters Of The Latin Princes.—Their March To Constantinople.—Policy Of The Greek Emperor Alexius.—Conquest Of Nice, Antioch, And Jerusalem, By The Franks.—Deliverance Of The Holy Sepulchre.— Godfrey Of Bouillon, First King Of Jerusalem.—Institutions Of The French Or Latin Kingdom.