What is referred to by 'byzantium'?

What is referred to by 'byzantine museum acropolis museum'? Based on the clue 'byzantine priests might know the name of the type ...', what is the answer? Based on the clue 'byzantium falls to the turks saladin captures jeru...', what is the answer? Based on the clue 'byzantium levied a toll on ships using this strait...', what is the answer? What is associated with: c 1028 falaise normandy? What is associated with: c 1200 1465 the chimu empire controlled about 600 miles of whats now this andean countrys coas… What is associated with: c 1300 a poet tours hell purgatory heaven? What is associated with: c 1415 donatello sculpted st george the relief under it st george slaying this mythical beast?