The Popes Subjects of the Eastern Empire.—The Ninth Century.—The Emperor Leo V. and Pope Pascal I.—Image-worship.—Church of St. Cecilia in Rome.—Louis le Debonnaire.—Factions at Rome.—Constitution of Lothaire.— Eugenius II. and Valentine.—Gregory IV.—Sergius. —Death of Pope Leo IV.—The Alleged Popess Joan.—Peter-pence. East separates from West.—Nicholas 1. claims Universal Power.—His Manner of exercising it.—Boniface VI. poisoned by Stephen VII.—Trial of Dead Pope.—The Pseudo—Isidorian Decretals.—Victor I. and the Celebration of Easter.—Polycarp and Anacetus.—Ireneus.—The Character of the Decretals.—The Papal System based upon them.—All False and Forged.