Holy Roman Emperors By Balagog Period: Dec 25, 800 to Jan 28, 814 Charlemagne Period: Sep 11, 813 to Jun 20, 840 Louis I the Pious Period: Apr 5, 823 to Sep 29, 855 Lothair I Period: Sep 29, 855 to Aug 12, 875 Louis II Period: Dec 29, 875 to Oct 6, 877 Charles II the Bald Period: Feb 12, 881 to Jan 13, 888 Charles III the Fat Period: Feb 21, 891 to Dec 12, 894 Guy Period: Apr 30, 892 to Oct 15, 898 Lambert Period: Feb 22, 896 to Dec 8, 899 Arnulf of Carinthia Period: Feb 22, 901 to Jul 21, 905 Louis III the Blind Period: Dec 1, 915 to Apr 7, 924 Berengar Period: Feb 2, 962 to May 7, 973 Otto I the Great Period: Dec 25, 967 to Dec 7, 983 Otto II the Red Period: May 21, 996 to Jan 23, 1002 Otto III