Portal:Byzantine Empire/DYK/12

... that the Acritic songs celebrate the exploits of the Akritai, the frontier guards in the wars with the Arabs, and mark the beginnings of modern Greek literature?
... that the brothers Stephen and Constantine Lekapenos overthrew their father, the Byzantine emperor Romanos I Lekapenos, only to be themselves removed from power by Constantine VII after a few weeks?
... that the Chrysotriklinos, the main audience hall of the Great Palace of Constantinople, provided the model for Charlemagne's Palatine Chapel in Aachen?