Louis the Pious
Catholic Church
divorce
monasteries
Charlemagne
counts
Abbasid rulers
Islam
Arab and non-Arab Muslims
vassal
Medical practice
medicinal herbs and bleeding
Carolingian Empire
German tribes
lord
Slavic people
Rus
Swedish Vikings
diet
bread
Roman, Germanic, and Christian cultures
Byzantine Empire 11th Century
Macedonians
pope
warriors and sailors
Baghdad
missi dominici
Alcuin
classical education
nuclear family
extended family
Treaty of Verdun 843
lord-vassal relationship
free men
Viking raids
manor
serfs
Varangians
Russians
infanticide
stirrup
Emperor Basil II