Christians

800 Pope Leo III ordains Charlemagne Emperor of Holy Roman Empire. Also known as Charles the Great, he brought
in a revival of learning called the Carolingian Renaissance.

804 Alcuin, English theologian [death, Sophia's house associated with the Liberal Arts.]

814 Louis I the Pious becomes emperor

815 Attempt to assassinate Leo III ends with the conspirators being charged and executed.

831 Paschasius Radbertus: Transubstantiation treatise

835 Gregory IV extends All Saints Day as a Church feast

843 Church of Saints Peter and Paul broken into by Norsemen--the bishop, St. Gohart, and the people there martyred.

844 John becomes the twelfth anti-pope, with violent demonstrations.

844 Sergius II: 102nd bishop of Rome. He was nobility's choice, church offices being bought at this time.

846 Muslims plunder St. Peter's and St. Paul's.

847 St. Leo IV: 103rd bishop of Rome

847 St. Methodius of Constantinople, anti-iconoclasm [death]

849 St. Leo IV organizes sea battle to defeat Muslims.

855 Anastasius becomes the thirteenth anti-pope. Leo IV had him excommunicated. He was to later work with St. Nicolas I, Hadrian II, John VII, and the 8th Council, named Librarian of the Church.

862 St. Cyril and St. Methodius create an alphabet for Slavic, and translated the Gospels and the liturgy--called the
Apostles of the Slavic People.

863 Nicolas excommunicates patriarch of Constantinople (Photius) because he opposed the forced abdication of the
previous partriarch (Ignatius).

865 St. Nicolas I: To Emperor Michael [authority of the pope]

866 Danes invade England, martyr St. Edmund, the king

867 Constantinople synod excommunicates the pope. Actually it was Photius, who was to be later deposed and criticised
by the Eighth Council.