Medicine in Byzantine Empire( 495 AD to 1453 AD) 293AD Diocletian divided Rome Empire into Eastern and Western (tetrarchy): 476AD fall of Westem Empire 330 AD Constantine I moved the capital to Byzantine and changed the name to Constantinople; 1453 AD Constantinople was conquered by Ottoman Empire, changed Constantinople to Istanbul 大 欧 占趣 313 Edict of milan 元A00年 耶热搬冷 Orthodox 的罗乌索因 Patriarch = 西罗马 东罗马Medicine in Byzantine Empire ( 495 AD to 1453 AD ) 293AD Diocletian divided Rome Empire into Eastern and Western （tetrarchy）：476AD fall of Western Empire 330 AD Constantine I moved the capital to Byzantine and changed the name to Constantinople；1453 AD Constantinople was conquered by Ottoman Empire，changed Constantinople to Istanbul 313 Edict of Milan Orthodox Patriarch