Byzantine Empire and Medieval Europe

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Across
  1. 4. Justinian's wife
  2. 5. Scandinavian invaders and sailors
  3. 8. system in medieval Europe with fiefs and vassals
  4. 10. Viking leader who "discovered" North America
Down
  1. 1. Frankish king, brought Catholicism to Europe
  2. 2. Byzantine general; "Last of the Romans"
  3. 3. a person that gives loyalty to a lord for land
  4. 6. this alphabet was created by Cyril/Methodius
  5. 7. head of the Catholic Church
  6. 9. land granted to a vassal in exchange for loyalty