A few ideas:

* The Great Schism of 1054
* The promulgation and influence of the Codex Justinianus
* The Byzantine Iconoclastic controversy
* The legacy of Constantine the Great and/or Theodosius the Great and their legacies wrt church-state relationships
* Leo VI the Wise or the Philosopher and his legacy
* The Fall of Constantinople and the subsequent contribution of Byzantine scholars to the Renaissance and Reformation

__________________
Andrew Myers
Husband of Jessica, Father of Jackson, Katie and Samuel
Member, Presbyterian Reformed Church of Northern Virginia
Warrenton, VA USA
Editor, The Matthew Poole Project

"On land, at sea, at home, abroad, / I smoke my pipe and worship God." -- J.S. Bach