900
850
1000
950
825
875
925
975
800
816
817
Stephen V
824
Paschal I
814
827
Eugene II
Valentine
844
Gregory IV
847
Sergius II
855
Leo IV
858
Benedict III
867
Nicholas I
872
Adrian II
882
John VIII
884
Marinus I
885
Adrian III
891
Stephen V
896
Formosus
Bonaface VI
Stephen VI
897
Romanus
Theodore II
900
898
John IX
Benedict IV
Leo V
903
911
913
Sergius III
Anastasius III
Lando
914
John X
928
Leo VI
929
931
935
John XI
939
Leo VII
942
Stephen VIII
946
Marinus II
955
Agapitus II
963
964
John XII
Leo VIII
Benedict V
972
John XIII
Benedict VII
974
Benedict VI
983
984
John XIV
996
999
John XV
Gregory V
993
First
canonization
of
saints
988
Russia
Converted
Iconoclasm
Leo III
800
Leo separates from
eastern empire;
becomes supreme
Bishop of West
Icons restored
832
Persecution
of
image
worshipers
996
Civil
war
at
Rome
Actus
Hludovicianum
confirms
papal territory
817
+
800
Crowned firstHoly Roman Emperor
879
Pope
and Patriarch
excommunicate
each other
Photian
Schism
Break
in communion
between
Nicholas I and
Photias
of Constantinople
863-67
Mohammedanism / Islam
904
Pornacracy
of the Papacy
begins
with Sergius
Alexandrian (Septuagint)
Canon
OT Canon similar to Trent (39 books) NT Canon (27 books)
Palestinian Canon
OT Canon (34 books)
846 Muslims invade Italy and Rome
902 Muslims control Sicily
+
909 Benedictine Abbey of Cluny
founded; center of reform
Rome increases; Constantinople declines
Stephen VII
COUNCIL OF
CONSTANTINOPLE
IV
870
